New Living Translation
Then you will show discernment, and your lips will express what you’ve learned.

American Standard Version
That thou mayest preserve discretion, And that thy lips may keep knowledge.

Berean Study Bible
that you may maintain discretion and your lips may preserve knowledge.

Douay-Rheims Bible
That thou mayst keep thoughts, and thy lips may preserve instruction. Mind not the deceit of a woman.

English Revised Version
That thou mayest preserve discretion, and that thy lips may keep knowledge.

King James Bible
That thou mayest regard discretion, and that thy lips may keep knowledge.

World English Bible
that you may maintain discretion, that your lips may preserve knowledge.

Young's Literal Translation
To observe thoughtfulness, And knowledge do thy lips keep.

Proverbs 5:2 Additional Translations ...