The only thing necessary for the triumph of evil is for good men to do nothing.

— Edmund Burke

He's talking to his grandson around the fire. And he says, there's a great battle that goes on inside of people. He said…

— Unknown

As soon as men decide that all means are permitted to fight an evil, then their good becomes indistinguishable from the …

— Christopher Dawson

One does evil enough when one does nothing good.

— German Proverb

A good end cannot sanctify evil means; nor must we ever do evil that good may come of it.

— William Penn

The vilest deeds like poison weeds Bloom well in prison-air It is only what is good in Man That wastes and withers there…

— Oscar Wilde