Un libro es una ventana a otras vidas y otros mundos.
一本书是通往其他生活和其他世界的窗口。
When you have to kill a man it costs nothing to be polite.
To know that one does not write for the other, to know that these things I am going to write will never make me loved by the one I love.
Success is not about money or power, but about making a difference.
The study of mathematics is the indispensable basis for all intellectual and spiritual progress.
I'm not a person who believes in regrets. I believe in living in the moment and making the most of it.