Bhagavad Gita 10.38

दण्डो दमायतामस्मि नीतिरस्मि जिगिष्टम् |
मौनं चैवस्मि गुह्याणां ज्ञानं ज्ञानवतमहम्

Translation

I am just punishment amongst means of preventing lawlessness, and proper conduct amongst those who seek victory. Amongst secrets I am silence, and in the wise I am their wisdom.