O lord, you are self-effulgent and supreme. You create this material world by your personal energy, and you assume the names Brahmā, Viṣṇu and Maheśvara when you act in creation, maintenance and annihilation.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
गुणमय्या स्वशक्त्यास्य सर्गस्थित्यप्ययान् विभो । धत्से यदा स्वदृग्भूमन् ब्रह्मविष्णुशिवाभिधाम्
guṇamayyā svaśaktyāsya sargasthityapyayān vibho | dhatse yadā svadṛgbhūman brahmaviṣṇuśivābhidhām
SB 8.7.23