A bad workman blames his tools

Similar sayings:

An ambassador bears no blame An ambassador bears no blame
The black dog gets the food; the white dog gets the blame The black dog gets the food; the white dog gets the blame
A bad worker quarrels with his tools A bad worker quarrels with his tools
Jade and men, both are sharpened by bitter tools Jade and men, both are sharpened by bitter tools
If a son is uneducated, his father is to blame If a son is uneducated, his father is to blame

Chinese sayings and proverbs