建立习惯的目的，是不用自我谈判，不在决定做一件事上花费精力，你直接就做了。好的习惯包括讲真话、用牙线。
The purpose of a habit is to remove that action from self-negotiation. You no longer expend energy deciding whether to do it. You just do it. Good habits can range from telling the truth， to flossing
Agriculture is the foundation of manufacture and commerce.
"To live is the rarest thing in the world. Most people exist, that is all."
The interplay between topology and symmetry in materials can lead to unexpected and exciting physical phenomena.