A little sin is a big sin when committed by a big man.

Abraham Ibn Ezra (1092-1167) Spanish Jewish poet, philosopher, Biblical exegete [ר׳ אַבְרָהָם בֶּן מֵאִיר אִבְּן עֶזְרָא‎]

Sefer ha-Yashar (c. 1160)

Commentary on Genesis 32.9. Alternate translation:

Therefore, a minor sin committed by a great personality is considered a major transgression.
[tr. Strickman and Silver (1988)]