Noun
The state of being foolish; want of good sense; levity, weakness, or derangement of mind.
A foolish act; an inconsiderate or thoughtless procedure; weak or light-minded conduct; foolery.
Scandalous crime; sin; specifically, as applied to a woman, wantonness.
The result of a foolish action or enterprise.
Source: Webster's dictionaryIt is folly to abstain all day long from food, but fail to abstain from sin and selfishness. John Chrysostom
Love is the wisdom of the fool and the folly of the wise. Samuel Johnson
To keep your secret is wisdom; but to expect others to keep it is folly. Samuel Johnson
Where ignorance is bliss, 'tis folly to be wise. English Proverb
Anger without power is folly. German Proverb
The folly of a man is not broadcast like that of a woman. Cameroon Proverb