适应是理解思想和行为的关键。
Adaptation is the key to understanding both thought and behavior.
There’s one item of G.I.gear that can be the difference between life and death.
当一扇门关闭时，你要知道，另一扇门正在打开。
Success is the ability to go from one failure to another with no loss of enthusiasm.
It's not about being the first woman, it's about being a good mathematician.
The way in which men produce their means of subsistence depends first of all on the nature of the actual means they find in existence and have to reproduce.