一阴一阳之谓道，或行或止之谓学。As the alternation of yin and yang is what we call the Dao,so the rhythm of action and stillness is what we call learning.
问对行止学校Wendui Xingzhi School
行止营地学校

行止营地学校

一阴一阳之谓道，或行或止之谓学。