我们生活的目的是快乐。
The purpose of our lives is to be happy.
可持续性不是一种选择;它是我们行业未来的必需品。
现在是一个转瞬即逝的时刻,而过去是永恒的。
Life is an art, and each of us is the artist of our own life.
Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.