Mathematics is the key and door to the sciences.

Rather than steering your life to avoid surprises， aim directly for them.

光线不断变化，每分钟都在改变事物的氛围和美感。

The only true voyage of discovery would be not to visit strange lands but to possess other eyes, to behold the universe through the eyes of another, of a hundred others.

天空不是极限；它是开始。