Job 8:6

8:6 if you become pure and upright,

even now he will rouse himself for you,

and will restore your righteous abode.

Job 15:14-15

15:14 What is man that he should be pure,

or one born of woman, that he should be righteous?

15:15 If God places no trust in his holy ones,

if even the heavens are not pure in his eyes,

Job 25:4-5

25:4 How then can a human being be righteous before God?

How can one born of a woman be pure?

25:5 If even the moon is not bright,

and the stars are not pure as far as he is concerned,

Job 31:24

31:24 “If I have put my confidence in gold

or said to pure gold,

‘You are my security!’