未来总是在变化,但过去总是一样的。
The flame of the spirit burns brightest in solitude.
数学中发现的快乐是无与伦比的。
The only thing you sometimes have control over is perspective. You don't have control over your situation. But you have a choice about how you view it.
变化不仅仅是生活的必要,它就是生活本身。