We must keep learning to keep up with the times.

我总是努力比昨天的自己更好。

It is better to be a human being dissatisfied than a pig satisfied； better to be Socrates dissatisfied than a fool satisfied.

What a thing is the heart of man！

我不会让世界改变我的笑容。

我们不仅仅生产能源，我们创造机会。

爱并不总是关于坚持；有时，它是关于放手。