我必须研究政治和战争、挂毯和瓷器。

To this war of every man against every man， this also in consequent； that nothing can be unjust.The notions of right and wrong， justice and injustice， have there no place.Where there is no common power， there is no law: where no law， no injustice.

农民最好的工具是他的头脑。

The architect must be a poet.

你不是通过遵循规则来学习走路的。你是通过实践和跌倒来学习的。