A theory is the more impressive the greater is the simplicity of its premises, the more different are the kinds of things it relates and the more extended the range of its applicability. – Albert Einstein
True art is characterized by an irresistible urge in the creative artist. – Albert Einstein
God does not care about our mathematical difficulties; He integrates empirically. – Albert Einstein
The world can doubtless never be well known by theory: practice is absolutely necessary; but surely it is of great use to a young man, before he sets out for that country, full of mazes, windings, and turnings, to have at least a general map of it, made by some experienced traveler. – Lord Chesterfield