自然系统的当前状态显然是前一时刻的结果，如果我们设想一个智能体在某一瞬间理解了这个宇宙中所有实体的关系，它就能陈述这些实体在过去或未来的任何时间的各自位置、运动和一般效应。

The advantages found in history seem to be of three kinds， as they result either from the mere situation of the climate and country or from the form of government and of the character of the people， or from those finer principles and morals， which may be called the recommendations of philosophy.

Every song tells a story.

"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."