Men and women differ in their reproductive strategies because they have faced different adaptive problems throughout evolutionary history.
没有人是自由的,甚至连鸟儿都被天空束缚。
The best designs are those that solve problems elegantly without drawing attention to themselves.
The interplay between theory and observation is what advances astrophysics.
The desire for recognition, the thymotic part of the soul, is the most fundamentally human part of the soul.