"None of us needs instruction in how to recognize what your heart is saying. We do need guidance, however, on how to have the courage to follow those feelings, since they will force us to change our lives in any case. But consider the consequences of not listening to the heart's guidance: depression, confusion, and the wretched feeling that we are not on our life's true path, but viewing it from a distance."

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Among all the occurrences possible in the universe the a priori probability of any particular one of them verges upon zero. Yet the universe exists; particular events must take place in it, the probability of which (before the event) was infinitesimal. At the present time we have no legitimate grounds for either asserting or denying that life got off to but a single start on earth, and that, as a consequence, before it appeared its chances of occurring were next to nil. ... Destiny is written concurrently with the event, not prior to it.

— Jacques Monod