Bad guys don't think they're bad guys. Hitler probably thought he was a wonderful guy doing some wonderful and righteous work for Germany.
“But let there be spaces in your togetherness and let the winds of the heavens dance between you. Love one another but make not a bond of love: let it rather be a moving sea between the shores of your souls.”
“The natural liberty of man is to be free from any superior power on Earth, and not to be under the will or legislative authority of man, but only to have the law of nature for his rule.”