Bhagwad Gita
Chapter 10, Verse 38
दण्डो दमयतामस्मि नीतिरस्मि जिगीषताम्।
मौनं चैवास्मि गुह्यानां ज्ञानं ज्ञानवतामहम्।।10.38।।
Among punishments I am the rod of chastisement, and of those who seek victory, I am morality. Of secret things I am silence, and of the wise I am wisdom.