One fine day two crabs1 came out from their home to take astroll on the sand. "Child," Said the mother, "You are walkingvery ungracefully. you should accustom2 yourself, to walkingstraight forward without twisting from side to side." "Pray, mother," Said the young one, "Do but set the exampleyourself, and I will follow you." 
Example is the best precept3. 