Tirukkural 374: Acquisition of Wealth and Knowledge

There are (through fate) two different natures in the world, hence the difference (observable in men) in (their acquisition of) wealth, and in their attainment of knowledge.

Image of Satguru Sivaya Subramuniyaswami
Sadhana allows us to live in the refined and cultured soul nature, rather than in the outer, instinctive or intellectual spheres.
—Gurudeva