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.
要将一个国家从最低级的野蛮状态带到最高度的富裕，所需的几乎只有和平、低税收和较为合理的司法管理。
"Poverty is not just a lack of money; it's a lack of hope."
The key ingredients of happiness could not be material or aesthetic, but must always stubbornly psychological.