发现说谎者悖论及相关悖论使人们认识到,直觉上的真理概念并不像乍看起来那么简单。
The individual's biography is shaped by the historical and social context in which it is embedded.
一个爱国者必须时刻准备好在必要时捍卫国家免受政府的侵犯。
I love the man that can smile in trouble, that can gather strength from distress, and grow brave by reflection.