Hinduism / Chandogya Upanishad Chandogya Upanishad 6.8.7 'Now that which is that subtile essence (the root of all), in it all that exists has its self. It is the True. It is the Self, and thou, O Svetaketu, art it.'
The same idea in other traditions …but say, "O my Lord! advance me in knowledge." The One God is our father; we are the children of the One God. You are our Guru. The beginning of wisdom is: Get wisdom; Yea, with all thy getting get understanding. The fear of the Lord is the beginning of knowledge: but fools despise wisdom and instruction. The Master said, "Learning without thought is labour lost; thought without learning is perilous." You’re not a lowlife by birth, nor by birth are you a brahmin. You’re a lowlife by your deeds, by deeds you’re a brahmin. Therefore, seeker after the highest truth, study the sacred lore, in order to cause yourself and others to attain perfection. Alike the drunk and the strict of fare / For his mistress yearns—in the mosque Love doth dwell / And the church, for his lodging is everywhere. …