Albert Einstein: The world is a dangerous place, not because of those who do evil, but because of those who look on and do nothing.
Cicero: The function of wisdom is to discriminate between good and evil.
Edmund Burke: All that is necessary for evil to succeed is that good men do nothing.
H. L. Mencken: It is a sin to believe evil of others, but it is seldom a mistake.
Hannah Arendt: The sad truth is that most evil is done by people who never make up their minds to be good or evil.
Helen Keller: Science may have found a cure for most evils; but it has found no remedy for the worst of them all -- the apathy of human beings.
Henry David Thoreau: There are a thousand hacking at the branches of evil to one who is striking at the root.
Leonardo da Vinci: He who does not punish evil, commands it to be done.
Mae West: When choosing between two evils, I always like to try the one I've never tried before.
Martin Luther King, jr.: I believe that unarmed truth and unconditional love will have the final word in reality. This is why right, temporarily defeated, is stronger than evil triumphant.
Mary Wollstonecraft: No man chooses evil because it is evil; he only mistakes it for happiness, the good he seeks.
Pearl S. Buck: When good people in any country cease their vigilance and struggle, then evil men prevail.
Raisa Gorbachev: Hypocrisy, the lie, is the true sister of evil, intolerance, and cruelty.
Ralph Waldo Emerson: The moral sense reappears today with the same morning newness that has been from of old the fountain of beauty and strength. You say there is no religion now. 'Tis like saying in rainy weather, There is no sun, when at that moment we are witnessing one of its superlative effects.
Robert Heinlein: But goodness alone is never enough. A hard cold wisdom is required, too, for goodness to accomplish good. Goodness without wisdom invariably accomplishes evil.