You know that he was revealed to take away our sins, and in him is no sin.
And in him is no sin ...  Although in the present tense and bearing the meaning noted above, this is also true in the past tense of our Lord Jesus Christ.  Jesus committed no sin  (1 Peter 2:22); he was holy, guileless, undefiled, and separated from sinners  (Hebrews 7:26); he knew no sin  (2 Corinthians 5:21); he was without blemish and without spot  (1 Peter 1:19), etc.