每一天都是比昨天更好的机会。

"Theoretical computer science is a field where deep mathematical insights lead to practical computational tools."

The truth is a knife, and it cuts both ways.

聪明人说话，是因为有些话要说；蠢人说话，则因为要说些话。

The only way to do great work is to love what you do.

颜渊感叹地说：“老师的学问越仰望越觉得高耸，越钻研越觉得深厚；看着就在前面，忽然却在后面。老师步步引导，用知识丰富我，用礼法约束我，想不学都不成。

What good is the warmth of summer, without the cold of winter to give it sweetness.

唯一真正的美是灵魂的美。