Proverbs 8:9 in the World English Bible
They are all plain to him who understands, right to those who find knowledge.
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.