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Constancy in Self-knowledge, perception of the end of true knowledge this is declared to be knowledge, and what is opposed to it is ignorance.

constancy in the knowledge of the self, and insight into the purpose of the knowledge of truth: this is declared to be knowledge, and whatever is otherwise is ignorance.

The list closes with two qualities more directly intellectual: steady commitment to knowledge of the self, and keeping in view the goal of knowing the truth. Then Krishna sums up: all these together are called knowledge, and whatever is contrary to them is ignorance. By ending this way, the passage makes clear that knowledge includes humility, non-violence, devotion and evenness as much as insight. Someone who is clever but proud or cruel does not, in this sense, know. The verse redefines wisdom as a way of being rather than a store of facts.