Even if you are on the right track, you’ll get run over if you just sit there.
Do the best you can, and don't take life too serious.
You cannot swim for new horizons until you have courage to lose sight of the shore.
Time moves in one direction, memory another. We are that strange species that constructs artifacts intended to counter the natural flow of forgetting.
The greatest ideas are the simplest.
Action may not always bring happiness, but there is no happiness without action.