Poor is the man whose pleasure depends on the permission of another.

I am against nature. I don't dig nature at all. I think nature is very unnatural. I think the truly natural things are dreams, which nature can't touch with decay.

Every pleasure's got an edge of pain, pay your ticket and don't complain.

Then you notice the cherry blossoms, and you see that nature is unaffected by all this. Poplar trees, the red butterflies, the fragile beauty of flowers, the sun-you see how nature is indifferent to it all.

Nature does nothing in vain when less will serve; for Nature is pleased with simplicity and affects not the pomp of superfluous causes.

The latest authors, like the most ancient, strove to subordinate the phenomena of nature to the laws of mathematics.