人需要困扰，困扰是心理健康的必需之物。

The human being is a most curious creature. He thinks he has a soul, but he is a soul; he has a body.

Sustainability must be profitable, or it won't be sustainable—this is the challenge we must solve in modern farming.《The Grain Frontier》

Sustainability isn't an option—it's the only path forward for any industry that wants to thrive in the future.

没有严格的执行和透明度，认证标准就毫无意义。