找到真正幸福的唯一方法，是冒险让自己彻底敞开。
The best way to learn mathematics is to do mathematics.
The good things are not dead.
Innovation is the key driver for the petrochemical industry to overcome challenges and seize opportunities.
A picture is a fact.
书籍是通往其他文化的窗户。
Ah, my Beloved, fill the Cup that clears TO-DAY of past Regrets and future Fears: To-morrow!—Why, To-morrow I may be Myself with Yesterday's Sev'n thousand Years.