身教胜于言教
shēn​jiào​shèng​yú​yán​jiào

example is better than precept

  1. 身教 shēn​jiào
    to teach by example
    To teach others by one's own example; to influence others through one's own actions and behavior.
  2. 胜于 勝於 shèng​yú prepositionverb
    to be better than
    to be better than; to surpass or excel in comparison to something else
  3. 言教 yán​jiào
    verbal instruction
    to teach by word of mouth; to give verbal instruction. Often used in contrast with 身教 shēn​jiào (teaching by example)