Bhagavad Gita 13.31

He who sees the diverse forms of life all rooted in One and growing forth from Him, shall indeed find the Absolute.

यदा भूतपृथग्भावमेकस्थमनुपश्यति।तत एव च विस्तारं ब्रह्म सम्पद्यते तदा॥

yadā bhūtapṛthagbhāvamekasthamanupaśyati|tata eva ca vistāraṃ brahma sampadyate tadā||

English translation (above): Shri Purohit Swami (1935), public domain. Sanskrit text via github.com/gita/gita (Unlicense).