Age is foolish and forgetful when it underestimates youth.
In the exploration of science, we must not only ask why but also why not.
The poetry of the earth is never dead.
比积极遗忘更痛苦的唯一事情是消极地记住。
与其因害怕可能发生的事情而怯懦地无所作为,不如以高贵的勇气冒险面对我们预期的一半的灾难。