因果关系的阶梯有三个梯级：观察、行动和想象。
The ladder of causation has three rungs: seeing, doing, and imagining.
我试图通过我的作品来探索人类的灵魂。
La poesía no es solo palabras, es música y silencio.
The process of creating is just as important as the final product.
"Men and women differ in their desires for short-term mating because the reproductive benefits and costs differed for our ancestors."
舞台是一个神奇的地方，在那里我可以完全自由。