We should feel sorrow, but not sink under its oppression; the heart of a wise man should resemble a mirror, which reflects every object without being sullied by any
When a man is guided by the principles of reciprocity and consciousness, he is not far from the moral law. Whatever you don't wish for yourself don't do unto others.
Yin and yang, male and female, strong and weak, rigid and tender, heaven and earth, light and darkness, thunder and lightning, cold and warmth, good and evil...the interplay of opposite principles constitutes the universe.