The life of the law has not been logic; it has been experience.

Let us unite our wills and form but one soul， one life， one being， in order that we may truly have common property.

食物的未来取决于我们今天如何对待土壤。

量子力学和广义相对论之间的相互作用是现代物理学中最深刻的谜题之一，解决它可能需要我们彻底重新思考对宇宙的理解。