The historical sense involves a perception, not only of the pastness of the past, but of its presence.

"if you think tough men are dangerous, wait until you see what weak men are capable of.

轧棉机的发明是需求和观察的结果。

可持续性不是一种选择，而是能源未来的必然要求。

The best way to predict the future is to study the past.

I can't go on, I'll go on.

The greatness of a man is not in how much wealth he acquires, but in his integrity and his ability to affect those around him positively.