Verse 38

नानापारयुगावर्तदुःखालोकनकर्कशम् ।न लुनाति मनःखण्डं दुःखिगीर्वाणमण्डलम्

In plain words

The circle of the gods, themselves in sorrow, does not cut away its fragment of mind, though hardened by beholding the sorrows of the whirling of many boundless yugas.