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

Like everything metaphysical the harmony between thought and reality is to be found in the grammar of the language.

My attitude towards him is an attitude towards a soul. I am not of the opinion that he has a soul. . . .

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.

The process of induction is the process of assuming the simplest law that can be made to harmonize with our experience.

If in life we are surrounded by death, so too in the health of our intellect by madness.

If a lion could talk, we could not understand him.