Ecclesiastes 10:9

New International Version

Whoever quarries stones may be injured by them; whoever splits logs may be endangered by them.

Cross References

Ecclesiastes 10:8

Whoever digs a pit may fall into it; whoever breaks through a wall may be bitten by a snake.

Ecclesiastes 10:10

If the ax is dull and its edge unsharpened, more strength is needed, but skill will bring success.