Passage 4

In English

The elaborate the (the primal science of the spirit). Understanding this science well and practising it form the duties every man owes to himself. That science results in the removal of ignorance, the gaining of knowledge; not the knowledge of material, worldly things, which changes and gets superseded every few years! It endows the seeker with the knowledge that is the key to the entire gamut of knowledge, that which if known, everything else is known.