Xiu Yang from high school math student

from high school math student to professional mathematician

use of tinted papers

Covering both quartos and folios

and other vintage items

Xiu Yang from high school math student"A beautiful and timely gift." Sifu Matthew Cohen, Founder, Sacred Energy Arts Founder For centuries, Chinese sages, rulers, and spiritual seekers have embraced a simple yet powerful principle that enables them to live in harmony with the source of nature and all life. The art of self cultivation or xiu yang (pronounced "sheow yaang") is based on the concept that we can nurture our capacity to be fully human and awake, finding balance and peace in our