Our real enemies are the people who make us feel so good that we are slowly, but inexorably, pulled down into the quicksand of smugness and self-satisfaction.

Perseverance is the most overrated of traits, if it is unaccompanied by talent; beating your head against a wall is more likely to produce a concussion in the head than a hole in the wall.

When I hear somebody sigh, 'Life is hard,' I am always tempted to ask, 'Compared to what?'.

The time to relax is when you don't have time for it.

Regret for the things we did can be tempered by time; it is regret for the things we did not do that is inconsolable.

When I hear somebody sigh that "Life is hard," I am always tempted to ask, "Compared to what?".