A fool contributes nothing worth hearing and takes offense at everything. Aristotle
It contributes greatly towards a man's moral and intellectual health, to be brought into habits of companionship with individuals unlike himself, who care little for his pursuits, and whose sphere and abilities he must go out of himself to appreciate. Nathaniel Hawthorne
Every quotation contributes something to the stability or enlargement of the language. Samuel Johnson
Nothing contributes so much to tranquilize the mind as a steady purpose - a point on which the soul may fix its intellectual eye. Mary Shelley
In friendship as well as love, ignorance very often contributes more to our happiness than knowledge. François de La Rochefoucauld
Battles are won by slaughter and maneuver. The greater the general, the more he contributes in maneuver, the less he demands in slaughter. Winston Churchill