人性的内涵不缺善性，而人性的需求则不能多添一分欲念。

The magic number 150 suggests that the size of our social networks is limited by the size of our brains.

The most beautiful people are those who have known defeat, known suffering, known struggle, known loss, and have found their way out of the depths.

如果应用得当，技术可以成为发展的强大工具。