《庄子·外篇·在宥》
天和地都各有主宰，阴和阳都各有府藏，谨慎地守护你的身形，万物将会自然地成长。
天地有官，阴阳有藏。慎守女身，物将自壮。
Heaven and earth have their own masters, yin and yang have their own treasures, and carefully guard your body, and all things will naturally grow.