ABILITY

Use what talents you possess: The woods would be very silent if no birds sang there except those that sang best. 

Henry Van Dyke, Bits & Pieces, March 31, 1994, p. 16.

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.