“It's an emotion that eats away at those who allow it in their heart. Hatred does more harm to those who feel it than it does to those who are hated.”

“More than those who hate you, more than all your enemies, an undisciplined mind does greater harm.”

“What does it say about a society that it devotes more care and patience to the selection of those who handle its money than of those who handle its children?”

“Remember, then, that whoever does not mean good is always in danger of harm. But I try to give everybody fair play, and those that are in the wrong are in far more need of it always than those who are in the right: they can afford to do without it.”

“Ignorance more frequently begets confidence than does knowledge: it is those who know little, not those who know much, who so positively assert that this or that problem will never be solved by science.”

“In any group, you've got those who love you, those who hate you and those who are undecided. The key to leadership is to keep the ones who hate you away from those who are undecided.”