思考的过程不仅仅是把一件事加到另一件事上;它在于观察结构特征和结构要求的操作。
要养活世界,我们必须首先学会尊重地球的极限。
你不可能爱所有人,但你可以对所有人友善。
The past is a shadow that follows us, but it doesn't have to define us.
The best stock to buy is the one you already own.