"A teacher says "I am sowing the seeds of revolution." At that time we cannot imagine how powerful the teacher is, but he certainly derives joy by fulfilling his duty."

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I question and soul-search constantly into myself to be as certain as I can that I am fulfilling the true meaning of my work, that I am maintaining my sense of purpose, that I am holding fast to my ideals, that I am guiding my people in the right direction.

— Martin Luther King, Jr.