Verse 60

शरीरात्समवेतोऽसौ कामप्यवनिमागतः ।सत्तासामान्यरूपात्मा बभूवानन्दसागरः

In plain words

He, withdrawn together from the body, having reached some ground beyond telling, whose self was the form of the universal nature of being, became an ocean of ānanda.