Mọi Chân Lý Đều Phải Lưu Thông Như Tiền Tệ

Missing, extremely new, or very obvious to obtain.

Quote from Louis L'Amour's 1989 autobiography Education of a Wandering Man: "Knowledge is like money: To be of value it must circulate, and in circulating it can increase in quantity and, hopefully, in value." - Credit: Necrosyrtes So share your Dr. Ratios. Circulate his knowledge.