The organism learns not only what to do but also what leads to what.
"The act of writing is an act of optimism. You wouldn't take the trouble to do it if you felt it didn't matter."
The preservation of the means of knowledge among the lowest ranks is of more importance to the public than all the property of all the rich men in the country.
Music is my life, I can't live without it.
The beauty of the universe lies in its complexity and simplicity.