The beauty of mathematics lies in its ability to reveal hidden symmetries and truths.
死者既已安葬,活着的人就不要长久地哭泣,而应该尽快做事,每个人都做自己能做的事,并用来使大家互利。
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.