Proverbs 22:20
Have I not written for you thirty sayings
What it says
Have I not written for you thirty sayings of counsel and knowledge?
What it is doing
This verse identifies the instruction as a deliberate written deposit of wisdom.
In context
17Incline your ear and hear the words of the wise — 18for it is pleasing when you keep them within you 19So that your trust may be in the LORD, 20Have I not written for you thirty sayings 21to show you true and reliable words,