Useful English Proverb（1）
Beware of a silent dog and still water.
Knowledge is power.
It is right to put everything in its proper use.
It is not work that kills, but worry.
He who rides on a tiger can never dismount.
He who does not advance loses ground.
Faith will move mountains.
Deliberate slowly, execute promptly.
Beauty is the eye of the beholder.
Honesty is the best policy.