Tea masters Shuko, Jowo and especially Rikyu, self-consciously defined wabi as the aesthetic ideal of chanoyu. Sen no Rikyu believed that we could reach tranquillity in the mind after we achieved harmony, respect, and purity.
In the late twelfth century, during the Kamakura period, Matcha, also known as "finely powdered tea" was introduced to Japan from China Sayre This practice, lead to the adoption of rules to regulate the observance of cha-no-yu. Before Shuko's innovation, the tea ceremony was very flamboyant.
Ogata Kenzan also worked in Kyoto and inherited the techniques of Nonomura Ninsei, but his style differed greatly The tea ceremony moved away from simplicity and humility under Rikyus successor, Furuta Oribe as Oribe, dissatisfied with merely looking for utensils at the market places as in Jo-os principle of midate-oyohin, actively patronised the local kilns and requesting ceramics made for the tea ceremony specifically.
Honolulu: University of Hawai'i Press, He taught that four values were central to tea practice.