Charles S. Peirce,
Chance, Love, and Logic: Philosophical Essays
“ It is as easy by taking thought to add a cubit to one’s stature, as it is to produce an idea acceptable to any of the Muses by merely straining for it, before it is ready to come. We haunt in vain the sacred well and throne of Mnemosyne; the deeper workings of the spirit take place in their own slow way, without our connivance. ”
