To define is to limit.

Joy is the emotion which accompanies the fulfillment of our natures when we have lived up to our potential.

网络背后的梦想是一个共同的信息空间，我们通过共享信息进行交流。

我明白成长来自于痛苦和挣扎。

There are two freedoms - the false, where a man is free to do what he likes; the true, where he is free to do what he ought.

【释义】不得志的时候就要提高自己的道德修养，得志的时候就要努力让天下人都能得到好处。