《黄帝内经》素问·四气调神论 “春三月，此谓发陈。天地倶生，万物以荣。”
Plain Questions-On Seasonal Regulation of the Spirit (suwen -Si Qi Tiao Shen Lun) states, “ The three months in spring are called season of generating from storage, and it is time for all things in the universe to come alive and thrive”.
