Ecclesiastes 10:9

Revised Standard Version (RSV-CI)

He who quarries stones is hurt by them; and he who splits logs is endangered by them.

Cross References

Ecclesiastes 10:10

If the iron is blunt, and one does not whet the edge, he must put forth more strength; but wisdom helps one to succeed.

Ecclesiastes 10:8

He who digs a pit will fall into it; and a serpent will bite him who breaks through a wall.