Happiness and unhappiness depend upon the opinion we have of things.

过去并未死去，它甚至还未过去。

释义：他或许认为，物质的产生和消亡都源于气的聚散，气是物质生死循环的驱动力。

We must balance the need for energy with the need to protect the environment.

The best way to learn a new programming language is by writing programs in it.

做出伟大工作的唯一方法是热爱你所做的事情。

The act of painting is a way of thinking.

历史总是由胜利者书写。当两种文化冲突时，失败者会被抹去，而胜利者则书写历史书籍——这些书籍美化他们的事业，贬低被征服的敌人。