"Men shout to avoid listening to one another." Miguel de Unamuno, writer and philosopher (1864-1936)

"He who knows only his own side of the case knows little of that." John Stuart Mill, philosopher and economist (1806-1873)

"It takes a great deal of bravery to stand up to our enemies, but just as much to stand up to our friends." J.K. Rowling

"Light is meaningful only in relation to darkness, and truth presupposes error. It is these mingled opposites which people our life, which make it pungent, intoxicating. We only exist in terms of this conflict, in the zone where black and white clash." Louis Aragon

"The deeper and richer a personality is, the more full of paradox and contradiction. It's only a shallow character who offers us no problems of contrast." Madeliene L'Engle

"Civilization is the encouragement of differences." Mohandas Karamchand Gandhi (1869-1948)

"Opinion has caused more trouble on this little earth than plagues or earthquakes." Voltaire (1694 - 1778)

"Without contraries is no progression. Attraction and repulsion, reason and energy, love and hate, are necessary to human existence." William Blake

"Did you ever notice how difficult it is to argue with someone who is not obsessed with being right?" Wayne W. Dyer

"It is not giving children more that spoils them; it is giving them more to avoid confrontation." John Gray, author (b. 1951)

“Anything is dramatized by its opposite. Even the best marriage is filled with conflict. Conflict’s function is to dramatize dominance, but it musn’t challenge it.” Ed Whitney