"Battle not with monsters, lest ye become a monster, and if you gaze into the abyss, the abyss gazes also into you."

"All credibility, all good conscience, all evidence of truth come only from the senses."

"Excessive productivity can bring the most gifted man almost to madness."

"We are always in our own company."

"Insanity in individuals is something rare - but in groups, parties, nations and epochs, it is the rule."

"Plato is boring."

"Absence diminishes small loves and increases great ones, as the wind blows out the candle and fans the bonfire."

"Would you want to do business with a person who was 99% honest?"

"Kill one man, and you are a murderer. Kill millions of men, and you are a conqueror. Kill them all, and you are a god."

"If you define yourself through the opinions of others you'll never be defined at all."

"Men have a much better time of it than women; for one thing, they marry later; for another thing they die earlier."

"I think that freshness and that innocence is something that is missing from a lot of female singers. I'm certainly not denying that I'm young, but I'm not fluff."