自由民主在世界范围内的传播并非不可避免，但它是历史进程中最可能的结果。
The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome of the historical process.
To understand the quantum world, we must first unlearn our classical intuitions.
The pursuit of knowledge is more valuable than the knowledge itself.
道不喜欢杂乱，杂乱就会繁多，繁多就会扰乱，扰乱就会忧虑，忧虑就无法挽救。