The purification of the soul is the highest pursuit in life.
最激动人心的发现往往来自意想不到的地方。
创业是一条充满挑战的道路，但只要有梦想，就有希望。
If I knew where I would meet my end, I would avoid it my entire life.
数学不是观赏性运动——你必须参与其中才能欣赏它的美。