Always look at what you have left. Never look at what you have lost.
只愿享受漫长的春日,不去理会秋风来得早
Mental tranquility is the highest good.
在科学中最令人兴奋的短语,预示着新发现的,不是“我发现了!”而是“这很有趣……”
I want to inspire people to follow their dreams.