Free vaccines are more valuable than expensive treatments, yet harder to promote.

睡得早起得早，使人聪明、富有、身体好。

生活的秘诀在于给予。

Courage to fail is just as important as the will to succeed.

一本好的图画书应该完全不需要文字也能表达。

今天我们种下的每一棵树都是留给后代的遗产。

我不需要理由去爱，我就是爱。

Collaboration and communication are as important as technical skills in the field of computer science.