投资中最重要的事情不是你赚了多少钱,而是你在税后保留了多少。
反馈是一个强大的概念,在自然系统和技术系统中被广泛使用。
"Sometimes the hardest journeys are the ones that take you back to yourself."
我总是试图找到一种方法,使故事更有趣,更复杂,更有层次。
不能察觉事情发生前所显示出的端倪的人,灾难就要降临到他身上。
The price of freedom is eternal vigilance.
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.