Obsession is the wellspring of genius and madness.
No spiritual mind remains within itself; it is always aspiring and going beyond its own strength.
The memory represents to us not what we choose but what it pleases.
Men are tormented by the opinions they have of things, and not the things themselves.
The greater part of the world's troubles are due to questions of grammar.
Diogenes was asked what wine he liked best; and he answered as I would have done when he said, "Somebody else's".