No one can tell what goes on in between the person you were and the person you become.
Every mathematical problem is a puzzle waiting to be solved, and every solution is a step closer to understanding the fabric of reality.
最好的艺术总是处于品味的边缘。
幸福不是相信我们不需要改变;而是意识到我们可以改变。
我并不完美。我和其他人一样会犯错。