It is theory that decides what can be observed. – Albert Einstein
We should take care not to make the intellect our god; it has, of course, powerful muscles, but no personality. – Albert Einstein

It is theory that decides what can be observed. – Albert Einstein
We should take care not to make the intellect our god; it has, of course, powerful muscles, but no personality. – Albert Einstein
If people are good only because they fear punishment, and hope for reward, then we are a sorry lot indeed. – Albert Einstein
Reality is merely an illusion, albeit a persistent one. – 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