Proverbs 20:11 in the King James Version
Even a child is known by his doings, whether his work be pure, and whether it be right.
Context
10 Differing weights and differing measures, both of them alike are an abomination to the LORD.
11 Even a child makes himself known by his doings, whether his work is pure, and whether it is right.
12 The hearing ear, and the seeing eye, the LORD has made even both of them.