A cowardly cur barks more fiercely than it bites. Quintus Curtius Rufus
There are times when parenthood seems nothing more than feeding the hand that bites you. Peter De Vries
A man begins cutting his wisdom teeth the first time he bites off more than he can chew. Herb Caen
A dog always bites under the knee. Hindi Proverb
Those who wear pearls do not know how often the shark bites the leg of the diver. African Proverb
Do not be like the mosquito that bites the owner of the house. Malawi Proverb