幸福就像一只蝴蝶:你越是想抓住它,它就越飞走。但如果你停止追逐,它可能会落在你身上。
"We are all in the gutter, but some of us are looking at the stars."
Freedom does not consist in any dreamt-of independence from natural laws, but in the knowledge of these laws, and in the possibility this gives of systematically making them work towards definite ends.