命题是断言某事是或不是事实的陈述。
A proposition is an assertion that something is or is not the case.
仅仅观察、实验、理论化和计算是不够的。人们还必须想象。
I'm not a victim, I'm a fighter.
我不是一个可以被放进盒子的女孩。
The best leaders are those who listen more than they speak and learn from everyone around them.
我们可以用言辞说出事情，也可以用言辞来实现事情。