Wrinkles should merely indicate where smiles have been.
Psychology must be based on observable phenomena, not abstractions.
征服恐惧的最好方法就是直面它。
成功的数据管理的关键是理解数据。如果你不理解你的数据，你就无法有效地管理它。
A man's life is limited, but service to the people is infinite.
We live in a beautiful world.
The pursuit of pleasure is the only meaningful activity in a meaningless world.
