"Example is the school of mankind, and they will learn at no other." - Edmund Burke, Letters on a Regicide Peace

"It is the true nature of mankind to learn from mistakes, not from example." - Fred Hoyle, Into Deepest Space

"I have learned silence from the talkative, toleration from the intolerant, and kindness from the unkind; yet strange, I am ungrateful to those teachers." - KAHLIL GIBRAN, Sand and Foam

"Everyone is bound to bear patiently the results of his own example." - PHAEDRUS, Fables