Most men, when they have thrown off superficially the superstitions of their childhood, think that there is no more to be done. They do not realise that these superstitions are still lurking underground. When a rational conviction has been arrived at, it is necessary to dwell upon it, to follow out its consequences, to search out in oneself whatever beliefs inconsistent with the new conviction might otherwise survive.
Source: The Conquest of Happiness, 1930, chap.7: the sense of sin
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