Many lick before they bite.
More Traditional Proverbs:
Easier said than done.Traditional
A spur in the head is worth two in the heel.
Traditional
He who teaches a boy teaches three a youth, a young man, and an old man
Traditional
A swarm of bees in July is not worth a fly.
Traditional
He's pushing up the daisies.
Traditional
The power of accomplishment is often a hairline between success and failure.
Traditional