Bhagavad Gita Chapter 10.38
daṇḍo damayatām asmi
nītir asmi jigīṣatām
maunaṁ caivāsmi guhyānāṁ
jñānaṁ jñānavatām aham
Translation
Among all means of suppressing lawlessness I am punishment, and of those who seek victory I am morality. Of secret things I am silence, and of the wise I am the wisdom.