Ecclesiastes 10:9

New American Bible - revised edition

Whoever quarries stones may be hurt by them, and whoever chops wood is in danger from it.

Cross References

Ecclesiastes 10:10

If the ax becomes dull, and the blade is not sharpened, then effort must be increased. But the advantage of wisdom is success.

Ecclesiastes 10:8

Whoever digs a pit may fall into it, and whoever breaks through a wall, a snake may bite.