If you and I are to live religious lives, it mustn't be that we talk a lot about religion, but that our manner of life is different. It is my belief that only if you try to be helpful to other people will you in the end find your way to God.

Courage, not cleverness; not even inspiration, is the grain of mustard that grows up to be a great tree.

Never stay up on the barren heights of cleverness, but come down into the green valleys of silliness.

I am still at Trattenbach, surrounded, as ever, by odiousness and baseness. I know that human beings on the average are not worth much anywhere, but here they are much more good-for-nothing and irresponsible than elsewhere.

What is your aim in philosophy? To show the fly the way out of the fly-bottle.

The so-called law of induction cannot possibly be a law of logic, since it is obviously a proposition with a sense.--Nor, therefore, can it be an a priori law.

Where our language suggests a body and there is none: there, we should like to say, is a spirit.