The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.
对认知的研究需要经验方法和理论方法的结合。
死者试图与活者交谈,就像年长者试图与年轻者交谈一样。
Innovation in communication technology should focus on solving real-world problems.
Environmental stewardship is not optional - it's our responsibility to future generations.