You can't control commodity prices, but you can control how you respond to them.
在科学中,唯一不变的就是变化。
没有比你自己设下的陷阱更致命的陷阱了。
Every language is an old-growth forest of the mind.
I don't count my sit-ups. I only start counting when it starts hurting.
Every book is a journey the writer takes alone first.