"He that wrestles with us strengthens our nerves, and sharpens our skill. Our antagonist is our helper."

"'Tis a hydra's head contention; the more they strive the more they may: and as Praxiteles did by his glass, when he s…"

"Et le combat cessa, faute de combattants."

"Great contest follows, and much learned dust Involves the combatants; each claiming truth, And truth disclaiming both."

"So when two dogs are fighting in the streets, When a third dog one of the two dogs meets: With angry teeth he bites h…"

"When individuals approach one another with deep purposes on both sides they seldom come at once to the matter which t…"

"It is better to dwell in the wilderness, than with a contentious and an angry woman."

"The contention that is good for the city—I pray that god never destroy that."

"Let there be no strife, I pray thee, between thee and me."

"Did thrust (as now) in others' corn his sickle."