Tis better to be thought a fool, then to open your mouth and remove all doubt. A chicken is an egg's way of producing more eggs. A conscience does not prevent sin. It only prevents you from enjoying it. A diplomat thinks twice before saying nothing.
Ambition is the last refuge of failure.
Angels can fly because they take themselves so lightly. And most do. Clip the above, wallet-sized Existentialist Mantra, following the dotted lines paying particular attention to the empty spaces between the dots. To produce in yourself a genuine existentialist mood, stare at the mantra, reflect upon it, wallow in it. Best done on an empty stomach.