Every science begins as philosophy and ends as art.

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

There have been only 268 of the past 3,421 years free of war.

We Americans are the best informed people on earth as to the events of the last twenty-four hours; we are the not the best informed as the events of the last sixty centuries.

I was an exchange student for a summer, and most of that summer was in Ukraine. I used to say 'the Ukraine' until I was there, and one of the Ukrainian college students I got to be good friends with, he said, 'Do you say I'm going back to the Texas,' and I said, 'No.' He said, 'We don't say we're going back to the Ukraine, either.'

Innovation requires a novel approach to scientific problem solving, higher level of resource commitments over much longer time durations.

Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.

In the fifth grade I discovered something I could do better than the other kids. One day, the teacher set up a bunch of chairs, and she had everyone run to the chairs and back while she timed us. I had the fastest time in the whole school!