"The first thing to say is that of course I don't believe in the existence of 'my' cat, or 'your' cat, or 'the' cat. There is only one cat, which is the cat of the universe. And it's not even a cat, it…"

"This life of yours which you are living is not merely a piece of the entire existence, but is in a certain sense the whole; only this whole is not so constituted that it can be surveyed in a single gl…"

"If we are to be honest, we must admit that the present state of physics offers no hope of a satisfactory picture of the world."

"The important thing is not to stop questioning."

"The reason why our sentient, percipient and thinking ego is met nowhere within our scientific world picture can easily be indicated in seven words: because it is itself that world picture."