希望是最后消亡的东西。
The ethical implications of genetic modification must be carefully considered.
世界充满了魔法,你只需要相信它。
In mathematics, the art of proposing a question must be held of higher value than solving it.
注意力是心灵以清晰生动的形式,从几个同时可能出现的对象或思绪中占据一个。