快乐的情感是来源于与不好的事的对比，而快乐本身并没有任何意义。

Every discovery in science is built upon the work of countless others before us.

Great teams are built on trust, respect, and a shared vision.

"We are all detectives in our own lives, trying to piece together the fragments of our past to understand who we are."

读书人不能不心胸宽广意志刚强，因为肩负重任而且征途遥远。他把实现仁的理想作为自己的使命，担子难道不重吗？他为这种理想而奋斗，直到死去为止，路途难道不远吗？