Mathematics should be mixed not only with physics but with ethics.

The walls that fence our fields, as well as modern Rome, and not less the Parthenon itself, are all built of ruins.

When I hear music, I fear no danger. I am invulnerable.

Things do not change; we change.

I have an immense appetite for solitude, like an infant for sleep, and if I don't get enough for this year, I shall cry all the next.

Silence is the universal refuge, the sequel to all dull discourses and all foolish acts, a balm to our every chagrin, as welcome after satiety as after disappointment

Only what is thought, said, or done at a certain rare coincidence is good.