是以其财不足以待凶饥，振孤寡，故国贫而民难治也。
所以，国家的钱财不足以来应付饥荒，救济孤儿寡妇，这样，国家就贫困，百姓就难于治理。
The past is not a shadow but a living presence.
Don't look for the needle in the haystack. Just buy the haystack!
The ethical implications of gene editing must be considered at every step.
In physics, the simplest explanation is often the correct one.
拥有美好一天的唯一方法是以积极的态度开始它。
I'm not a product of the industry, I'm a product of my own vision.