। ॥
In plain words
Every doctrine begins by naming three principles: the jīva, the world and the supreme Self. This threefold division lasts as long as the notion 'I' lasts. Highest of all is the abiding in which that notion is gone.
Word for word
Every doctrine begins by naming the principles of the jīva, the world and the supreme Self. This threefold is so long as the notion 'I' is. Highest of all is the abiding empty of the notion 'I'.