It's a bad bargain where nobody gains.
It takes two to make a bargain.
As well be hanged for a sheep as a lamb.
He that will not stoop for a pin will never be worth a pound.
Haste makes waste.
Set a thief to catch a thief.
There is honor among thieves.
When thieves fall out honest men come by their own.
Many a true word is spoken in jest.
A Scotch mist may wet an Englishman to the skin.
It takes all sorts to make a world.
If you dam a river it stagnates. Running water is beautiful water.
The nearer the bone the sweeter the meat.
All is fair in love and war.
Time is a file that wears and makes no noise.
It is easy to be wise after the event.
Sticks and stones will break my bones but names will never hurt me.
Affectation is a greater enemy to the face than smallpox.
The shortest answer is doing.
What is sauce for the goose is sauce for the gander.