"The problem of the 'thing in itself' is not a problem that can be solved by science. It is a philosophical problem."

"This life of yours which you are living is not merely a piece of this entire existence, but in a certain sense the whole."

"The world is not a machine. It is a living being."

"What is mind? No matter. What is matter? Never mind."

"The fact that life exists and that it is maintained by a continuous stream of 'negentropy' from the outside, is the most profound mystery of all."