There is a simple condition for becoming a teacher: that you must be able to teach. It is not the question of having high intelligence, but of being able to use whatever intelligence you have so as to impart at least some portion of your knowledge. Anyone with this ability can come to teaching and become successful in course of time. What matters is your desire to update. Teaching and stagnation do not go together. When they do, teaching fails. To teach is to know: to know is to be able to teach.

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