All errors which a man is likely to commit against advice are far outweighed by the evil of allowing others to constrain him for his good.
John Stuart MillIt often happens that the universal belief of one age of mankind — a belief from which no one was, nor without an extraordinary effort of genius and courage, could at that time be free — becomes to a subsequent age so palpable an absurdity, that the only difficulty then is to imagine how such a thing can ever have appeared credible.
John Stuart MillThe validity of all the Inductive Methods depends on the assumption that every event, or the beginning of every phenomenon, must have some cause; some antecedent, upon the existence of which it is invariably and unconditionally consequent.
John Stuart MillThe pupil who is never required to do what he cannot do, never does what he can do.
John Stuart Mill