When one is traveling, one must expect to spend a certain amount of money foolishly.

There are times when I think that the reading I have done in the past has had no effect except to cloud my mind and make me indecisive

In the end, it is upon the quality and commitment of individuals that all group movements depend.

Very few [doctors] are men of science in any very serious sense; they're men of technique.

The nature of happiness is such that happiness retreats the more intensely you pursue it.

I would not for a moment have you suppose that I am one of those idiots who scorns Science, merely because it is always twisting and turning, and sometimes shedding its skin, like the serpent that is [the doctors'] symbol.

These matters require what I think of as the Shakespearean cast of thought. That is to say, a fine credulity about everything, kept in check by a lively skepticism about everything.... It keeps you constantly alert to every possibility.