The fault is as great as he that commits it.
More Spanish Proverbs:
My daughter-in-law tucked up her sleeves, and upset the kettle into the fire.Spanish
The hunchback does not see his own hump, but sees his companion's.
Spanish
God grant, dear wife, that this son be ours.
Spanish
There is no mother like the mother that bore us.
Spanish
When every one says you are an ass, bray.
Spanish
When thieves fall out, honest men come by their own.
Spanish