The community is a fictitious body， composed of the individual persons who are considered as constituting as it were its members.

The aim of education should be to teach us rather how to think, than what to think—rather to improve our minds, so as to enable us to think for ourselves, than to load the memory with thoughts of other men.

We must always remember that behind every data point is a human life waiting for hope.

困难中孕育着机会。

某个命题可以从某一组公理通过某一规则系统推导出来，这一事实本身并不使其为真。