Let me tell you the secret that has led me to my goal. My strength lies solely in my tenacity.

Fortune favors the prepared mind.

When I approach a child, he inspires in me two sentiments; tenderness for what he is, and respect for what he may become.

Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world.

Science is the highest personification of the nation because that nation will remain the first which carries the furthest the works of thought and intelligence.

Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world. Science is the highest personification of the nation because that nation will remain the first which carries the furthest the works of thought and intelligence.

There does not exist a category of science to which one can give the name applied science. There are science and the applications of science, bound together as the fruit of the tree which bears it.

There are no such things as applied sciences, only applications of science.