He who quarries stones may be hurt by them, And he who splits wood may be endangered by it.
Ecclesiastes 10:9
Surrounding context
10:8 He who digs a pit will fall into it, And whoever breaks through a wall will be bitten by a serpent.
10:9 He who quarries stones may be hurt by them, And he who splits wood may be endangered by it.
10:10 If the ax is dull, And one does not sharpen the edge, Then he must use more strength; But wisdom brings success.