作品总是在变化。

"Hope is a verb with its sleeves rolled up."

解释：只有去学习才能懂得世间的道理；如果耻于向人求教，许多东西就会永不知晓。

我不是一个喜欢普通的人。

心理活动是有机体与其环境的对话。

People who say it cannot be done should not interrupt those who are doing it.