Mental phenomena can only be understood in terms of their consequences for action.
The forest does not belong to us—we belong to the forest, and our duty is to protect it.
期权的真正价值不在于其价格，而在于它为持有者提供的灵活性。
"The key to making money in the markets is not to be right all the time, but to be right more often than you are wrong."
如果没有机械的帮助，一天的劳动不足以生产一磅棉花。
历史由胜者书写。
电影的力量在于照亮我们存在的阴影。
关键在于不断进步，持续努力。