I consider it a mark of great prudence in a man to abstain from threats or any contemptuous expressions, for neither of these weaken the enemy, but threats make him more cautious, and the other excites his hatred, and a desire to revenge himself. – Niccolo Machiavelli
Anyone who cannot cope with mathematics is not fully human. At best he is a tolerable subhuman who has learned to wear shoes, bathe, and not make messes in the house. – Robert Heinlein, Time Enough for Love
But, my dear sirs, when peace does come, you may call on me for any thing. Then will I share with you the last cracker, and watch with you to shield your homes and families against danger from every quarter. – William Tecumseh Sherman