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All I know is that I don't know nothing.
我只知道我什么都不知道。
All things are possible until they are proved impossible and even the impossible may only be so, as of now.
知足常乐者最富有,因为知足本身就是天然的财富。
解析:圣人致知的功夫在于至诚不息。
我不太在乎别人怎么说我,我只做自己想做的事。