In the Brahma-sūtra this inquiry is called brahma-jijñāsā. Athāto brahma jijñāsā. And every activity of the human being is to be considered a failure without having this inquiry in his mind. So persons who have awakened this inquiry into his mind as to "What I am, why I am suffering, wherefrom I have come or where I shall go after death," when these inquiries come, are awakened in the mind of a sane human being, then he is practically the right student for understanding Bhagavad-gītā. And he must be śraddhāvān. Śraddhāvān. He must have respect, a fond respect in the Supreme Personality of Godhead. Such a person, as the ideal person was Arjuna.