"The unexamined life is not worth living."

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.

The only rule in art is that there are no rules.

The best conservation strategies are those that align economic incentives with ecological benefits.

世界称之为不道德的书，是那些展示世界自身羞耻的书。