Happiness is not something that happens. It is not the result of good fortune or random chance. It is not something that money can buy or power command. It depends not on what happens outside of you, but on what happens inside of you.

生活工作首先勤快才能有所闲暇，一切事务都能处理得当才能逍遥自在。

To understand the meaning of a sentence， we must consider the speaker's intention and the context of the utterance.

Fear of change is the biggest barrier to progress in aquaculture. Embrace the unknown, and you'll find new opportunities.

心有其理，理性难明。

我学得越多，就越意识到自己不知道的还有多少。