Sustainability is no longer optional—it's a business imperative.
The Government of the United States is a definite Government, confined to specified objects. It is not like the state governments, whose powers are more general.
你或许无法控制发生在你身上的所有事情,但你可以决定不被它们打倒。
生活要么是一场大胆的冒险,要么什么都不是。
成功不是终点,失败也不是致命的,重要的是继续前进的勇气。