Remember not the sins of my youth, nor my transgressions: according to your mercy remember me for your goodness' sake, O LORD.
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Augustine of Hippo
7. "Remember not the offences of my youth and of my ignorance" (ver. 7). The offences of my presumptuous boldness and of my ignorance reserve not for vengeance, but let them be as if forgotten by Thee. "According to Thy mercy, be mindful of me, O God." Be mindful indeed of me, not according to the anger of which I am worthy, but according to Thy mercy which is worthy of Thee. "For Thy goodness, O Lord." Not for my deservings, but for Thy goodness, O Lord. ...
Ignorances. Hebrew, "defects "as youth is more apt to omit duties than to act very wickedly. Yet it is difficult to decide how grievous such sins may be. (Berthier)
Passion and ignorance then concur to lead the inexperienced astray. (Haydock)
From the first use of reason, many are careless, and neglect to learn their duty. (Worthington)
Ignorance is sometimes a sin, though it may be more pardonable, 1 Timothy i. (Menochius) ...