Unconditional war can no longer lead to unconditional victory. It can no longer serve to settle disputes... can no longer be of concern to great powers alone.

There are risks and costs to action. But they are far less than the long range risks of comfortable inaction.

The pay is good and I can walk to work.

Efforts and courage are not enough without purpose and direction.

The courage of life is often a less dramatic spectacle than the courage of a final moment; but it is no less a magnificent mixture of triumph and tragedy.

I hope that no American will waste his franchise and throw away his vote by voting either for me or against me solely on account of my religious affiliation. It is not relevant.

A nation which has forgotten the quality of courage which in the past has been brought to public life is not as likely to insist upon or regard that quality in its chosen leaders today - and in fact we have forgotten.

Why should man's first flight to the moon be a matter of national competition? Why should the United States and the Soviet Union, in preparing for such expeditions, become involved in immense duplications of research, construction and expenditure?

America has tossed its cap over the wall of space.

I am sorry to say that there is too much point to the wisecrack that life is extinct on other planets because their scientists were more advanced than ours.

Once you say you're going to settle for second, that's what happens to you in life.

I want to make sure I always show off my smile and have a positive attitude the whole time, whether it's during a performance, practice, or doing an interview.

My mother was in the Army Reserve for six years. She taught me the importance of following rules, finishing what I start, never giving up, leadership skills, teamwork, staying positive, motivated and how to pack the military way when I'm traveling!

Growing up, there wasn't an exact Hispanic role model that I had. I didn't realize how big a difference I was making, going to the Olympics and being Hispanic, until I would be in an autograph session, and parents would come up to me and say, 'You know, our family is so proud of you, you're really doing Hispanics proud.'

I hope I can help inspire people to go for their dreams.

I want to be a role model. I want to be able to know that I inspired girls to work hard and go for their dreams and to never give up.

Life has been a really big whirlwind, but it's been a lot of fun. I travel so much, and I'm constantly doing things that I love, but it's just me.

When I was a little kid, I looked up to other people, so I hope that I can inspire little kids.

The thing that makes me feel the most confident is definitely my smile. I like that my smile and my facial expressions really show what I'm feeling, and my smile is the best way to show that I'm happy.

A positive attitude is something everyone can work on, and everyone can learn how to employ it.

Holding on to anger, resentment and hurt only gives you tense muscles, a headache and a sore jaw from clenching your teeth. Forgiveness gives you back the laughter and the lightness in your life.

Education should learn from the positive side of gaming - reward, accomplishment, and fun.

If we study learning as a data science, we can reverse engineer the human brain and tailor learning techniques to maximize the chances of student success. This is the biggest revolution that could happen in education, turning it into a data-driven science, and not such a medieval set of rumors professors tend to carry on.

Corporate America is drowning in meetings. To make one thing clear, I am not against communication. Quick one-on-ones can be extremely effective. I am talking about those hour-long recurring meetings, devoid of a clear agenda, and attended by many. I dread them.

Machine learning is the science of getting computers to learn without being explicitly programmed.

In most parts of the world, starting a company that goes bust is dubbed a 'failure.' In Silicon Valley, we call this 'gaining experience.' We are willing to take the risks that are inherent for innovation.

It's important to celebrate your failures as much as your successes. If you celebrate your failures really well, and if you get to the motto and say, 'Wow, I failed, I tried, I was wrong, I learned something,' then you realize you have no fear, and when your fear goes away, you can move the world.

At the end of the day, the true value proposition of education is employment.

I'd really love to see a business model for higher education going forward that is actually affordable, that uses modern technology to reach scale and quality and that really reimburses the services rendered in a way that's meaningful to everybody.

When you program a robot to be intelligent, you learn a number of things. You become very humble and develop enormous respect for natural intelligence because, even if you work day and night for several years, your robot isn't that smart after all.

I believe e-courses will eventually change people's attitude toward learning. Education will play an increasingly dominant role in people's lives. For people of all ages and all geographies.

It's sad that we never get trained to leave assumptions behind.

To me, mathematics, computer science, and the arts are insanely related. They're all creative expressions.

I have been spending the better part of my professional life trying to create self-driving cars. At Google, I am working with a world-class team of engineers to turn science fiction into reality.

You could get an entire computer science education for free right now.

I ultimately got into robotics because for me, it was the best way to study intelligence.

Nobody phrases it this way, but I think that artificial intelligence is almost a humanities discipline. It's really an attempt to understand human intelligence and human cognition.

As a college student, what really interested me was the human brain and human intelligence.

You could claim that moving from pixelated perception, where the robot looks at sensor data, to understanding and predicting the environment is a Holy Grail of artificial intelligence.

In much of computer science, I can easily 'auto-grade' your work and give you an instant meaningful feedback. I can't do this when it comes to the subtlety of human thought, language, poetry, philosophy.

The individualization of learning fundamentally redefines the role of assessment.

Mercedes does beautiful work, absolutely.

Few ideas work on the first try. Iteration is key to innovation.

John Legend is a cool guy. He likes to chill, is easy to talk to and hang out with. He's also inspiring on a musical level.

I come from a family of well-endowed booty women.

No one goes straight to happiness after a breakup.

Me being a black girl in London, whose mom is first-generation African and whose dad is West Indian, gives me a different view. I'm coming at soul from my own place.

You can't please everybody. I give up. I'm not trying to. I don't care. Leave me alone with that.

Sometimes I wake up in the morning and feel like going straight back to bed. But I still have to get up and work, and I still have to take advantage of the chances I've been given in life.

You have to have courage to look back and be honest about your own drama.