海洋的健康反映了地球的健康。我们必须立即采取行动保护两者。

The natural price of labor is that price which is necessary to enable the laborers, one with another, to subsist and to perpetuate their race, without either increase or diminution.

The most profound discoveries often come from asking the simplest questions.

你唯一应该努力超越的人，就是昨天的自己。

自由从来不是被压迫者自愿给予的，必须由被压迫者争取。