Genesis 6:12

6:12 And God looked upon the earth, and, behold, it was corrupt; for all flesh had corrupted his way upon the earth.

Isaiah 40:6

40:6 The voice said, Cry. And he said, What shall I cry? All flesh [is] grass, and all the goodliness thereof [is] as the flower of the field:

Romans 3:20

3:20 Therefore by the deeds of the law there shall no flesh be justified in his sight: for by the law [is] the knowledge of sin.