Lord Brahmā, the first spiritual master, supreme in the universe, could not trace out the source of his lotus seat, and while thinking of creating the material world, he could not understand the proper direction for such creative work, nor could he find out the process for such creation.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
स आदिदेवो जगतां परो गुरुः स्वधिष्ण्यमास्थाय सिसृक्षयैक्षत । तां नाध्यगच्छद्दृशमत्र सम्मतां प्रपञ्चनिर्माणविधिर्यया भवेत्
sa ādidevo jagatāṃ paro guruḥ svadhiṣṇyamāsthāya sisṛkṣayaikṣata | tāṃ nādhyagacchaddṛśamatra sammatāṃ prapañcanirmāṇavidhiryayā bhavet
SB 2.9.5