"A scholar who abandons study is like ‘a bird that strays from the nest.’" ~~ Talmud, Chagigah
"One should not rear a vicious dog in one’s home. " ~~ Talmud, Ketubot
"You don’t put the cat in charge of the cream." ~~ Yiddish Proverb
"Not everyone who is not a wolf must be a lamb." ~~ Moshe Leib Lilienblum
"If a wolf comes to kill you, you are not bound to pat its back." ~~ Samuel Joseph Agnon
"The king of birds is the eagle." ~~ Talmud, Chagigah
"There is nobody as wise as a whipped dog." ~~ Shalom Aleichem
"The ants are not a mighty people, yet they make ready their food in the summer. " ~~ Proverbs (Mishle) 30:25
"Why is Israel like a dove? Other birds, when tired, rest on a branch; but when the dove tires, she rests one wing and flies with the other." ~~ Midrash Genesis R. 39:10
"Who breeds an unruly dog in his house keeps kindness away." ~~ Talmud, Shabbat
"A giant feels the sting of a bee." ~~ Immanuel of Rome
"Man is likened unto a bird. A bird can fly upward and upward so long as it moves its wings." ~~ Yisrael Salanter (Lipkin)