To say nothing, especially when speaking, is half the art of diplomacy.

Every science begins as philosophy and ends as art.

In my youth I stressed freedom, and in my old age I stress order. I have made the great discovery that liberty is a product of order.

The family is the nucleus of civilization.

Education is a progressive discovery of our own ignorance.

Sixty years ago I knew everything; now I know nothing; education is a progressive discovery of our own ignorance.

Education is the transmission of civilization.

The love we have in our youth is superficial compared to the love that an old man has for his old wife.

Science gives us knowledge, but only philosophy can give us wisdom.

Every form of government tends to perish by excess of its basic principle.

Most of us spend too much time on the last twenty-four hours and too little on the last six thousand years.

Bankers know that history is inflationary and that money is the last thing a wise man will hoard.

Nature has never read the Declaration of Independence. It continues to make us unequal.

Our knowledge is a receding mirage in an expanding desert of ignorance.

Tired mothers find that spanking takes less time than reasoning and penetrates sooner to the seat of the memory.

The trouble with most people is that they think with their hopes or fears or wishes rather than with their minds.

Moral codes adjust themselves to environmental conditions.