多线进化论是研究特定文化如何适应特定环境的进化过程。
对于好的建议,唯一能做的就是传递它。它对自己从来没有任何用处。
局外人
The earth's resources are finite, but human ingenuity is not.
物体的加速度与所受的合外力成正比,与物体的质量成反比。加速度的方向与合力的方向相同。
Anything real begins with the fiction of what could be. Imagination is therefore the most potent force in the universe, and a skill you can get better at. It’s the one skill in life that benefits from ignoring what everyone else knows.
The path to economic justice begins with recognizing the full humanity of every individual.