采矿技术的创新不是一种选择，而是我们对工人和环境应尽的义务。
The Internet is a reflection of our society and that mirror is going to be reflecting what we see. If we do not like what we see in that mirror the problem is not to fix the mirror, we have to fix society.
The best time to plant a tree was twenty years ago. The second best time is now.
The joy of discovery in mathematics is like solving a puzzle that the universe has left for us.
青年的危机不仅仅是关于未来的危机，也是关于当下的危机。
醉中插花，花莫笑我，可怜春天也像人一样即将老去
The dead don’t rest if the living don’t let them.