The world is full of beauty and ugliness, and it's up to us to choose which one we want to see.
计算机科学中数学的美在于它能够用抽象概念建模和解决现实世界的问题。
积极心理学不是一项观赏性运动。
Happiness is secured through virtue; it is a good attained by man's own will.
可持续性不仅仅是一个流行词,更是我们对后代的责任。