可持续发展不仅是一种趋势，更是一种责任。
I prefer winter and fall, when you feel the bone structure of the landscape—the loneliness of it, the dead feeling of winter. Something waits beneath it, the whole story doesn’t show.
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
数学的研究是所有智力和精神进步不可或缺的基础。
你不必成为最好的，你只需要尽力而为。