Rotten wood cannot be carved

Similar sayings:

He who carves the Buddha never worships him He who carves the Buddha never worships him
Don’t build a new ship out of old wood Don’t build a new ship out of old wood
A closed mind is like a closed book; just a block of wood A closed mind is like a closed book; just a block of wood
Mallet strikes chisel; chisel splits wood Mallet strikes chisel; chisel splits wood

Chinese sayings and proverbs