我们应该把所有法则或理论都视为假设或推测。

可持续农业的未来在于生产力与环境管理之间的平衡。

In the state of nature, indeed, all men are born equal, but they cannot continue in this equality. Society makes them lose it, and they recover it only by the protection of the laws.

你不必理解所有事物才能去爱它。