自由市場是經(jīng)濟繁榮的關(guān)鍵。
The natural price of labor is that price which is necessary to enable the laborers, one with another, to subsist and to perpetuate their race, without either increase or diminution.
The best thing about getting older is that you don't lose all the other ages you've been.
"Drawing is not what one sees but what one can make others see."
創(chuàng)新不僅僅是技術(shù)的問題；而是你如何應(yīng)用它來解決現(xiàn)實世界的問題。
The true revolutionary is guided by a great feeling of love. It is impossible to think of a genuine revolutionary lacking this quality.
每一個科學進步都迫使我們面對新的倫理問題。