Our intonations contain our philosophy of life, what each of us is constantly telling himself about things.

Three-quarters of the sicknesses of intelligent people come from their intelligence. They need at least a doctor who can understand this sickness.

It is always during a passing state of mind that we make lasting resolutions.

The paradoxes of today are the prejudices of tomorrow, since the most benighted and the most deplorable prejudices have had their moment of novelty when fashion lent them its fragile grace.

To the field of synthetic chemistry belongs an array of responsibilities which are crucial for the future of mankind, not only with regard to the health and needs of our society, but also for the attainment of a deep understanding of matter, chemical change, and life.

I'm somebody who has to physically experience an environment in order to know it as well as I would like to know it. I recognize this is impressionistic, not scientific. People say, 'You sound like Walt Whitman.' Well, I'll take that comparison.

The scientific perspective of the world, especially the living world, inexorably impresses on us a dynamic picture of the world of entities and structures involved in continuous and incessant change and in process without ceasing.

It's one of the things I want people to understand about science... You don't have to be the best person in the world at it. But you can be good, and there are so many different opportunities in science.