Ecclesiastes 10:11

Christian Standard Bible Anglicised

If the snake bites before it is charmed, then there is no advantage for the charmer.

Cross References

Jeremiah 8:17

Indeed, I am about to send snakes among you, poisonous vipers  that cannot be charmed. They will bite you. This is the  Lord’s declaration.

James 3:6

And the tongue is a fire. The tongue, a world of unrighteousness, is placed  among our members. It stains the whole body,  sets the course of life on fire, and is itself set on fire by hell.

Proverbs 18:21

Death and life are in the power of the tongue, and those who love it will eat its fruit.

James 3:8

but no one can tame the tongue. It is a restless evil, full of deadly poison.

Ecclesiastes 10:10

If the axe is dull, and one does not sharpen its edge, then one must exert more strength; however, the advantage of wisdom is that it brings success.