My remembrance of the past is a novel I am constantly recomposing; and it would not be a historical novel, but sheer fiction, if the material events which mark and ballast my career had not their public dates and characters scientifically discoverable.

The wisest mind has something yet to learn.

If all art aspires to the condition of music, all the sciences aspire to the condition of mathematics.

Sometimes we have to change the truth in order to remember it.

To be an American is of itself almost a moral condition, an education, and a career.

Experience seems to most of us to lead to conclusions, but empiricism has sworn never to draw them.

What is more important in life than our bodies or in the world than what we look like?