Little else is requisite to carry a state to the highest degree of opulence from the lowest barbarism but peace， easy taxes， and a tolerable administration of justice.
理论物理学是一种形而上学。
数学教会我们同时进行逻辑和创造性的思考。
The soul is a fire that darts its rays through all the senses; it is in this fire that existence consists.