The unity of Europe is a historical necessity.
在数学中,提出问题的艺术必须比解决问题更有价值。
Listen to me, my friend. Hope is a dangerous thing. Hope can make people crazy.
You can only become truly accomplished at something you love. Don't make money your goal. Instead, pursue the things you love doing, and then do them so well that people can't take their eyes off you.