Make women rational creatures, and free citizens, and they will quickly become good wives, and mothers; that is, if men do not neglect the duties of husbands and fathers.

Profitability and sustainability are not opposites; they are two sides of the same coin. A business that harms the environment ultimately harms itself.

Being busy is a form of laziness—lazy thinking and indiscriminate action.

科学的进步在于每一步发现一种新的秩序，这种秩序将看似不同的事物统一起来。

生命的意义就是意义本身。