Hold to the now, the here, through which all future plunges to the past.
挑战不仅仅是让计算机更快，而是让它们更智能。
让睁眼看着玫瑰花的人也看看它的刺。
The act of writing is an act of resistance against oblivion.
一个句子的意义不仅仅在于词语本身，还在于它所执行的言行行为。
The price of freedom is eternal vigilance.
每个数学问题都有解答；挑战在于找到它。