物理学的美丽在于它能够用简单的原理解释复杂的事物。
在阈限阶段,共同体作为一种自发的、直接的和平等的人际关系出现。
Capitalism, then, is by nature a form or method of economic change and not only never is but never can be stationary.
The best teacher is the one who suggests rather than dogmatizes, and inspires his listener with the wish to teach himself.