There is something in our minds like sunshine and the weather, which is not under our control. When I write, the best things come to me from I know not where.
Source: In A New Dictionary of Quotations, by H.L. Mencken, 1942.
-- G C Lichtenberg, (Jul 1 1742-1799), German physicist, writer; He is best known for his satirical wit ridiculing metaphysical and romantic excesses.