"Never [enter] into dispute or argument with another. I never yet saw an instance of one of two disputants convincing the other by argument. I have seen many on their getting warm, becoming rude and shooting one another."

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A good cause is often injured more by ill-timed efforts of its friends than by the arguments of its enemies. Persuasion, perseverance and patience are the best advocates on questions depending on the will of others.

— Thomas Jefferson