The discovery of DNA structure was like unraveling a very complex puzzle.
发现DNA结构就像解开一个非常复杂的谜题。
我对自己是谁、做什么非常有信心。
Borders are scars on the face of the earth, marks of violence and division.
The gods have not revealed all things from the beginning to mortals, but, by seeking, men find out better in time.