Robert Christy, comp. Proverbs, Maxims and Phrases of All Ages. 1887.
Warning
A man that is warned is half armed.
A man warned is as good as two.French, Italian, Spanish.
A man warned is half saved.German.
Forewarned—forearmed.French.
He that gives time to resolve, gives time to deny, and warning to prevent.
He was slain that had warning, not he that took it.
The tempest threatens before it comes, houses creak before they fall.Seneca.