Every saint has a past, and every sinner has a future.
You have to believe in yourself, even when no one else does.
To feed the world, we must first understand it.
我一直在寻找挑战自己、推动自己更上一层楼的方法。
你读得越多，知道的事情就越多。你学得越多，去的地方就越多。