If the quickness of the mind and the fluency of the tongue are too punctilious and sharp, moderate them in your activity and rest.
XunziWhen people lack teachers, their tendencies are not corrected; when they do not have ritual and moral principles, then their lawlessness is not controlled.
XunziMen of all social stations live together: they are equal in their desires, yet vary in their methods; they are equal in their passions, yet different in their intelligence; that is their nature-given vitality.
Xunzi