最好的角色是那些在合上书后仍长久留在你心中的人。
The best characters are the ones who stay with you long after the book is closed.
The only way to learn mathematics is to do mathematics.
I'm not a girl who lives in fear. I'm a girl who lives in freedom.
The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.