“It's much easier, after all, to learn mathematics from someone who's made a few mistakes. It's impossible to learn it from someone who always gets it right.”

“Maybe there's a God above,As for me, all I've ever seemed to learn from loveIs how to shoot at someone who outdrew you.Yeah but it's not a complaint that you hear tonight,It's not the laughter of someone who claims to have seen the lightNo it's a cold and it's a very lonely Hallelujah.”

“It's said that a wise person learns from his mistakes. A wiser one learns from others' mistakes. But the wisest person of all learns from others's successes.”

“Wise is the one who learns from another´s mistakes. Less wise is the one who learns only from his own mistakes. The fool keeps making the same mistakes again and again and never learns from them.”

“It's always possible to wake someone from sleep, but no amount of noise will wake someone who is pretending to be asleep.”

“In history, as in traveling, men usually see only what they already had in their own minds; and few learn much from history, who do not bring much with them to its study.”