We may like well to know what is Plato’s and what is Montesquieu’s or Goethe’s part, and what thought was always dear to the writer himself; but the worth of the sentences consists in their radiancy and equal aptitude to all intelligence. They fit all our facts like a charm. We respect ourselves the more that we know them.
Practice is absolutely necessary. You may sit down and listen to me by the hour every day, but if you do not practice, you will not get one step further. It all depends on practice.
Truly speaking, it is not instruction, but provocation, that I can receive from another soul. What he announces, I must find true in me, or reject; and on his word, or as his second, be he who he may, I can accept nothing.
The best that Gauss has given us was likewise an exclusive production. If he had not created his geometry of surfaces, which served Riemann as a basis, it is scarcely conceivable that anyone else would have discovered it. I do not hesitate to confess that to a certain extent a similar pleasure may be found by absorbing ourselves in questions of pure geometry.
The mind may accept or deny that you are awareness, but either way it can’t really understand. It cannot comprehend. Thought cannot comprehend what is beyond thought.