Proverbs 8:9 KJV
They are all plain to him that understandeth, and right to them that find knowledge.
Proverbs 8:9, King James Version
In context
8 All the words of my mouth are in righteousness; there is nothing froward or perverse in them.
9 They are all plain to him that understandeth, and right to them that find knowledge.
10 Receive my instruction, and not silver; and knowledge rather than choice gold.