I couldn't live where there were no trees--something vital in me would starve.

No passion disturbs the soundness of our judgement as anger does.

No one is exempt from speaking nonsense. The great misfortune is to do it solemnly.

I study myself more than any other subject. That is my metaphysics$$$ that is my physics.

I would rather be an authority on myself than on Cicero.

To an atheist$$$ all writings tend to atheism: he corrupts the most innocent matter with his own venom.

In general$$$ I ask for books that make use of learning$$$ not those that build it up.

We must not attach knowledge to the mind$$$ we have to incorporate it there.

The greater part of the world's troubles are due to questions of grammar.

Just because you fail once doesn't mean you're gonna fail at everything.