But honestly, if you do a rigorous survey of my work, I'll bet you'll find that biology is a theme far more often than physical science.

I liked math - that was my favorite subject - and I was very interested in astronomy and in physical science.

The humanities need to be defended today against the encroachments of physical science, as they once needed to be against the encroachment of theology.

Physical rehab is often very, very hard work.

Dream is not that which you see while sleeping it is something that does not let you sleep.

Vanity of science. Knowledge of physical science will not console me for ignorance of morality in time of affliction, but knowledge of morality will always console me for ignorance of physical science.