“Nobody who ever gave his best regretted it.”

“Speak when you are angry, and you'll make the best speech you'll ever regret.”

“A joke is a good camouflage. Next best comes sentiment… But the best camouflage of all - in my opinion - is the plain and simple truth. Because nobody ever believes it.”

“"I often see people saying 'Nobody has produced an invulnerable software system; therefore, nobody will ever produce an invulnerable software system.'"By the same bogus reasoning, nobody will ever reach Mars; nobody will ever find MD5 collisions; nobody will ever cure cancer; nobody will ever prove the Poincare conjecture; nobody will ever clone a human; nobody will ever build a 1GHz CPU; nobody will ever find SHA-1 collisions; nobody will ever break the sound barrier; etc."”

“Nobody ever left the presidency with less regret, less disappointment, fewer heart burnings, or any general content with the result of his term (in his own heart, I mean) than I do. Full of difficulty and trouble at first, I now find myself on smooth waters and under bright skies.”

“The most regretful people on earth are those who felt the call to creative work, who felt their own creative power restive and uprising, and gave to it neither power nor time.”

“Nobody in the world, nobody in history, has ever gotten their freedom by appealing to the moral sense of people who oppressing them.”

“Nobody ever listened to me until they didn't know who I was.”

“What if someone gave a war and Nobody came?”

“Did any man at his death ever regret his conflicts with himself, his victories over appetite, his scorn of impure pleasure, or his sufferings for righteousness' sake?”