It is almost as presumptuous to think you can do nothing as to think you
can do everything.
--Phillips Brooks
Consider the postage stamp: its usefulness consists in the ability to stick to
one thing till it gets there.
--Josh Billings
"He is able who thinks he is able."
-Buddha
"A man must not deny his manifest abilities, for that is to evade his obligations."
-William Feather, The Treasure of Franchard
"Great ability develops and reveals itself increasingly with every new assignment."
-Baltasar Gracian,
