19 As faces are not like other faces, so neither are the thoughts of men.
Proverbs 27:19 Cross References - Brenton
Genesis 6:5
5 (6:6) And the Lord God, having seen that the wicked actions of men were multiplied upon the earth, and that every one in his heart was intently brooding over evil continually,
Psalms 33:15
15 (32:15) who fashioned their hearts alone; who understands all their works.