Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
"A good book is the best of friends, the same today and forever."
数学的美只向更有耐心的追随者展示。
O homem é um ser que caminha, que vai sempre em frente, buscando o seu destino.
The world is full of obvious things which nobody by any chance ever observes.
生存不是无所畏惧。它是关于做出决定，继续前进并去做，因为你必须这样做。
始终追求卓越，而不是完美。
The quality of an organization's vision determines the quality of its direction.