Verse 58

त्यक्तभूतौघमननं ततो विश्वंभरं महत् ।चिदाकाशं ततः शुद्धं सोऽभवद्बोधमागतः

In plain words

Having relinquished the thinking of the mass of the elements, then vast and all-sustaining, then the pure cidākāśa — this he became, having come to bodha.