The oldest and strongest emotion of mankind is fear, and the oldest and strongest kind of fear is fear of the unknown.

True success comes when your work makes a positive difference in people's lives.

我们必须以与面对面治疗相同的严谨和同情心设计数字工具。

The world owes all its onward impulses to men ill at ease; the happy man inevitably confines himself within ancient limits.

色散理论是量子力学中最美丽的篇章。