That island of England breeds very valiant creatures; their mastiffs are of unmatchable courage.
source: William Shakespeare (2013). “Second Tetralogy In Plain and Simple English: Includes Richard II, Henry IV Parts 1 and 2, and Henry V”, p.765, BookCaps Study Guides

They worry one another like mastiffs, scrambling for rank and pay like apes for nuts.
source: John Adams (2012). “The Letters of John and Abigail Adams”, p.212, Simon and Schuster
source: Adam Smith (1784). “An Inquiry Into the Nature and Causes of the Wealth of Nations”, p.24
topic: Different, Genius, Half, Mastiffs, Greyhounds
source: John Selden (1800). “The Table-talk: Of John Selden, Esq. Being His Sense of Various Matters of Weight and High Consequence; Relating Especially to Religion and State”, p.75
topic: Dog, Hurt, Play, Mastiffs, Good Moral
topic: Girl, Dog, Baby, Mastiffs, Brown Eyes