Any reasonable are there， all existence is reasonable.
凡是合理的都是存在的，凡是存在的都是合理的。
心理过程进化是为了解决实际问题。
你的态度决定你的方向。
The world is a language we have forgotten how to speak.
The history of mathematics is a history of human curiosity and ingenuity.
跨学科合作往往孕育最激动人心的突破。
人们改变了，却忘了告诉对方。
"Grief is not a line, carrying you infinitely further from loss. It is a circle, and you come back, again and again, to the same place."