One who works for My sake, considers Me (the Self) as the Supreme, is devoted to Me, is rid of any delusional clinging, and fosters no animosity towards anybody, attains Me (the Supreme), O Pandava.
Krishna revives the spiritual discussion, explaining how devotion can be made exclusive and wholesome. All you do must be for the sake of the Supreme. Nothing besides its orbit. So, consider the Supreme to be the ultimate goal and the most desirable in life. Feel you are a devotee of the Supreme in every thought and action.
Have no clinging for anything whatsoever. All are the Supreme and of the Supreme. How can anything then belong to you? Therefore, dissuade all possessiveness and ego.
Equally so, do not have the least ill-will, hatred or intolerance towards anyone or anything. Everything and all belong to the Supreme. Divinity warrants this kind of purity, sublimity and wholesomeness.
One like this, says Krishna, attains the Supreme – a fruition transpiring here and now, experientially!