No one can think a thought for me in the way that no one can don my hat for me.

Talent is a spring from which fresh water always flows.- But this spring is worthless if no good use is made of it.

One can mistrust one's own senses, but not one's own belief.

The common behavior of mankind is the system of reference by means of which we interpret an unknown language.

The depressed man lives in a depressed world.

How small a thought it takes to fill a life.

There is a truth in Schopenhauer’s view that philosophy is an organism, and that a book on philosophy, with a beginning and end, is a sort of contradiction. ... In philosophy matters are not simple enough for us to say ‘Let’s get a rough idea’, for we do not know the country except by knowing the connections between the roads.