Cross reference
Psalms 144:3
3 Jehovah, what is man, that thou takest knowledge of him? Or the son of man, that thou makest account of him?
Psalms 8:4
4 What is man, that thou art mindful of him? And the son of man, that thou visitest him?
Hebrews 2:6
6 But one hath somewhere testified, saying, What is man, that thou art mindful of him? Or the son of man, that thou visitest him?
Job 7:17
17 What is man, that thou shouldest magnify him, And that thou shouldest set thy mind upon him,
Job 15:14
14 What is man, that he should be clean? And he that is born of a woman, that he should be righteous?
Psalms 146:3-4
3 Put not your trust in princes, Nor in the son of man, in whom there is no help.
4 His breath goeth forth, he returneth to his earth; In that very day his thoughts perish.