Everyone is a thief in his own craft.
More Dutch Proverbs:
A runaway monk never speaks well of his convent.Dutch
Better return half way than lose yourself.
Dutch
Beggars fear no rebellion.
Dutch
Who undertakes too much, succeeds but little.
Dutch
The worse the carpenter, the more the chips.
Dutch
Tis altogether vain to learn wisdom, and yet live foolishly.
Dutch