There are few persons who have not, at some period of their lives, amused themselves in retracing the steps by which particular conclusions of their own minds have been attained. The occupation is often full of interest and he who attempts it for the first time is astonished by the apparently illimitable distance and incoherence between the starting-point and the goal.
Edgar Allan PoeIf I venture to displace ... the microscopical speck of dust... on the point of my finger,... I have done a deed which shakes the Moon in her path, which causes the Sun to be no longer the Sun, and which alters forever the destiny of multitudinous myriads of stars.
Edgar Allan PoeMen of genius are far more abundant than is supposed. In fact, to appreciate thoroughly the work of what we call genius, is to possess all the genius by which the work was produced.
Edgar Allan Poe