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
If A equals success, then the formula is: A = X + Y + Z, where X is work, Y is play, and Z is keep your mouth shut. – Albert Einstein
Gravitation is not responsible for people falling in love. – Albert Einstein
The pioneers of a warless world are the [youth] who refuse military service. – 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