You can't just sit there and wait for people to give you that golden dream. You've got to get out there and make it happen for yourself.
可持续性不是成本中心 - 它是对我们共同未来的投资。
The best way to learn is by doing.
种树的最佳时间是20年前,其次是现在。
"A library is a place where the past meets the present and the future."