It is no sin to sell dear, but a sin to give ill measure.
More English Proverbs:
Least said, soonest mended.English
Wise men make proverbs but fools repeat them.
English
After a typhoon there are pears to gather up.
English
Half the world does not know how the other half lives.
English
Repeating a lie, doesn't make that lie true.
English
We are often shot with our own feathers.
English