Employee welfare isn't an expense; it's an investment in your company's most valuable asset.

Psychological theories must pass the test of practical experience.

这句话杨在不同场合说过多次，每次表述时可能有个别字的差异。

The pursuit of knowledge is a journey without end, filled with wonder and discovery.

The world is full of invisible wounds.

——1941年与美国外交官阿弗雷尔·哈里曼（Averell Harriman）的谈话

Never outshine the master. Always make those above you feel comfortably superior.

Don’t let anyone define your worth.

对付一个不自由的世界，唯一的方法就是变得如此绝对自由，以至于你的存在本身就是一种反叛。