One of the most important and most difficult arts is to unlearn vice.
The world is in greater peril from those who tolerate or encourage evil than from those who actually commit it.
The evil that is in the world almost always comes of ignorance, and good intentions may do as much harm as malevolence if they lack understanding.
Little evil would be done in the world if evil never could be done in the name of good.
Ignorance is the mother of all evils.
What is done out of love always takes place beyond good and evil.
Antisthenes used to say that the most useful science was to unlearn evil.
For there is nothing either good or bad, but thinking makes it so.
Often the fear of one evil leads us into a worse.
Do not have too artificial an idea of man but judge him naturally. Don't consider him too good or too bad.
Man is neither good nor bad, he is born with instincts and aptitudes.
War is an evil which dishonours mankind.
Truth does not do as much good in the world, as its counterfeits do evil.
Of all the sciences needful for men, the chief one is the knowledge of how to live, doing as little harm as possible; and of all arts, the most important is that which teaches how to avoid evil, and how to produce good with the least violence.
Nothing is evil which is according to nature.
Art is an attempt to integrate evil.
To make her onset worse, malice pretends to be good.
Those who would do evil never fail to find a reason.
Work saves us from three great evils: boredom, vice and need.
Whatever difference there appears in our fortunes, there is nevertheless a certain compensation of good and evil which renders them equal.
The evil that we do does not attract to us so much persecution and hatred as our good qualities.
To forbear, not only to do, but to intend any evil.
The function of wisdom is to discriminate between good and evil.
To prefer evil to good is not in human nature and when a man is compelled to choose one of two evils, no one will choose the greater when he might have the less.
The sad truth is that most evil is done by people who never make up their minds to be good or evil.
Fear is pain arising from the anticipation of evil.
Non-cooperation with evil is as much a duty as is cooperation with good.
Knowledge becomes evil if the aim be not virtuous.
It is the strange fate of man, that even in the greatest of evils the fear of the worst continues to haunt him.
Everything evil is rooted in some good and everything false in some truth.
