To try to write love is to confront the muck of language: that region of hysteria where language is both too much and too little, excessive and impoverished.

Uncertainty is not an excuse for inaction.

Innovation in physics often comes from looking at old problems in new ways.

"Mental life is a continuous adjustment to the environment."

The truth is that life is delicious, horrible, charming, frightful, sweet, bitter, and that is everything.