If I wash {y} myself with snow water, and make my hands never so clean;

(y) Though I seem pure in my own eyes, yet all is but corruption before God.

Wesley's Notes

9:30 If - If I clear myself from all imputations, and fully prove my innocency before men.

Jamieson-Fausset-Brown Bible Commentary

30. snow water-thought to be more cleansing than common water, owing to the whiteness of snow (Ps 51:7; Isa 1:18).

never so clean-Better, to answer to the parallelism of the first clause which expresses the cleansing material, "lye:" the Arabs used alkali mixed with oil, as soap (Ps 73:13; Jer 2:22).

Matthew Henry's Concise Commentary

9:25-35 What little need have we of pastimes, and what great need to redeem time, when it runs on so fast towards eternity! How vain the enjoyments of time, which we may quite lose while yet time continues! The remembrance of having done our duty will be pleasing afterwards; so will not the remembrance of having got worldly wealth, when it is all lost and gone. Job's complaint of God, as one that could not be appeased and would not relent, was the language of his corruption. There is a Mediator, a Daysman, or Umpire, for us, even God's own beloved Son, who has purchased peace for us with the blood of his cross, who is able to save to the uttermost all who come unto God through him. If we trust in his name, our sins will be buried in the depths of the sea, we shall be washed from all our filthiness, and made whiter than snow, so that none can lay any thing to our charge. We shall be clothed with the robes of righteousness and salvation, adorned with the graces of the Holy Spirit, and presented faultless before the presence of his glory with exceeding joy. May we learn the difference between justifying ourselves, and being thus justified by God himself. Let the tempest-tossed soul consider Job, and notice that others have passed this dreadful gulf; and though they found it hard to believe that God would hear or deliver them, yet he rebuked the storm, and brought them to the desired haven. Resist the devil; give not place to hard thoughts of God, or desperate conclusions about thyself. Come to Him who invites the weary and heavy laden; who promises in nowise to cast them out.