There must be no barriers to freedom of inquiry. There is no place for dogma in science. The scientist is free, and must be free to ask any question, to doubt any assertion, to seek for any evidence, to correct any errors.

No man should escape our universities without knowing how little he knows.

In the spring of 1936, I was introduced by friends to Jean Tatlock. In the autumn, I began to court her. We were at least twice close enough to marriage to think of ourselves as engaged.

My mother was born in Baltimore, and before her marriage, she was an artist and teacher of art.

Science is the captain, and practice the soldiers.

I'm a bit of a layman physics junkie. I don't really understand it, but I love trying to understand it.

The industrial revolution in the new century is, in essence, a scientific and technological revolution, and breaking through the cutting edge is a shortcut to the building of an economic giant.

As for my studies in school, I was a solid student. I was strong in English and Latin, but I got lost anytime the subject included math. I wish I had paid more attention to biology and science in general, subjects that came to interest me as an adult. I could have gotten better marks, but I never took a book home, never did homework.