The full use of your powers along lines of excellence. (definition of happiness by John F. Kennedy)

Basically, I no longer work for anything but the sensation I have while working. (Albert Giacometti (sculptor))

A lie gets halfway around the world before the truth has a chance to get its pants on. (Sir Winston Churchill)

The true measure of a man is how he treats someone who can do him absolutely no good. (Samuel Johnson)

It is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring. (Carl Sagan)