That thy lips may keep knowledge— The LXX read, The understanding of my lips commands thee; have nothing to do with a strange woman; for honey distilleth from the lips of a woman who is a fornicator, which may for a time fatten thy cheeks. See Wall and Houbigant.
Related Commentaries of Proverbs 5:2
Proverbs 5:2-3
2 That thou mayest regard discretion, and that thy lips may keep knowledge.
3 For the lips of a strange woman drop as an honeycomb, and her moutha is smoother than oil: