I think it's rarely about what you actually learn in class. It's mostly about the way that you look at things.

人生就是走自己选择的路。

The joy of chemistry is in seeing the invisible become visible.

天子认为对的未必对，天子认为错的未必错

人类对于不公正的行为加以指责，并非因为他们愿意做出这种行为，而是惟恐自己会成为这种行为的牺牲者。

Generations to come will scarcely believe that such a one as this walked the earth in flesh and blood.