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

Logic takes care of itself; all we have to do is to look and see how it does it.

We are asleep. Our Life is a dream. But we wake up sometimes, just enough to know that we are dreaming.

We regard the photograph, the picture on our wall, as the object itself (the man, landscape, and so on) depicted there. This need not have been so. We could easily imagine people who did not have this relation to such pictures. Who, for example, would be repelled by photographs, because a face without color and even perhaps a face in reduced proportions struck them as inhuman.

Most of the propositions and questions to be found in philosophical works are not false but nonsensical.

I don't know why we are here, but I'm pretty sure that it is not in order to enjoy ourselves.

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