O God, thou knowest my foolishness; and my sins are not hid from thee.
-He appeals in support of his prayer to God's knowledge that he suffers reproach and estrangement, as if he were foolish and sinful, for the sake of God, and through zeal for His glory.
Verse 5. O God, thou knowest my foolishness - i:e., in the Scripture sense, sin: thou knowest the sin imputed to me falsely by my adversaries-namely, that I am a 'wine-bibber, mad, and have a devil' (Matthew 11:19; John 10:20). The subordinate sense may also be implied, Thou knowest how I bear, as the sinner's substitute, the sin of the world laid on me: as Psalms 69:6-7; Psalms 69:19 imply. Compare Psalms 38:3-5; Psalms 40:12.
And my sins - trespasses; things done amiss; negligences х 'ashmaah (H819)]. 3:14,63), but even those engaged in more serious business deliberately think and speak against me.