仓库里没有储备的谷物，不可以应付凶饥之年；兵库不准备兵器，没有足够的实力，即使站在正义的一方也无法征讨无义之人，实力是维护正义的强有力的保障；城郭防守不完全，则不能守护自己；没有居安思危的心理，不可应付突发事件。

To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death.

Contentment is natural wealth，luxury is artificial poverty.

跨行业合作对解决现代农业的挑战至关重要。