"It's not whether you really cry. It's whether the audience thinks you are crying."

"Through them I breathe again."

"Symmetrical equations are good in their place, but 'vector' is a useless survival, or offshoot from quaternions, and has never been of the slightest use to any creature."

"The unselfishness trap is the belief that you must put the happiness of others ahead of your own. Unselfishness is a very popular ideal, one that's been honored throughout recorded history. Wherever y…"

"My general attitude to life is to enjoy every minute of every day. I never do anything with a feeling of, “Oh God, I've got to do this today."