Too much politeness conceals deceit.
More Chinese Proverbs:
When money is stolen you can only beat the dog.Chinese
For people who love even water is sweet.
Chinese
An answer that does not resolve a quarrel makes a thousand new ones.
Chinese
The heart is but the beach beside the sea that is the world.
Chinese
When you say one thing, the clever person understands three.
Chinese
Customers are jade; merchandise is grass.
Chinese