When the mind is thinking it is talking to itself. — Plato

I mean, I don't mind promoting a movie, or talking to the press if it's going to be used in some way. — Brian De Palma
Leary can get a part of my mind that's kind of rusted shut grinding again, just by being around him and talking. — Ken Kesey
There are different rules for reading, for thinking, and for talking. Writing blends all three of them. — Mason Cooley
And what, Socrates, is the food of the soul? Surely, I said, knowledge is the food of the soul. — Plato
Know one knows whether death, which people fear to be the greatest evil, may not be the greatest good. — Plato
The eyes of the soul of the multitudes are unable to endure the vision of the divine. — Plato