The key to managing complexity is to focus on the interfaces between components, not their internal details.
"The most important thing in life is to keep moving forward."
We've been warned against offering the people of this nation false hope. But in the unlikely story that is America, there has never been anything false about hope.
解释：河水成冰，不是一日的寒冷所致；积土成为高山，不是须臾的工夫就能完成。
抽象的力量使数学能够超越物理现实的限制。
The greatest prosperity can exist only as the result of the greatest possible productivity of the men and machines of the establishment.
"You can't go back and change the beginning, but you can start where you are and change the ending."
过去是唯一闻起来香甜的已逝之物。