Who said “Revenge is profitable, gratitude is expensive.”?

“The public have neither shame or gratitude.”

“One can never pay in gratitude; one can only pay ''in kind'' somewhere else in life.”

“Gratitude is one of the least articulate of the emotions, especially when it is deep.”

“... maybe the only thing worse than having to give gratitude constantly all the time, is having to accept it.”

“If you pick up a starving dog and make him prosperous, he will not bite you. This is the principal difference between a dog and a man.”

“I sighed as a lover, I obeyed as a son.”

“I was never less alone than when by myself.”

“Our sympathy is cold to the relation of distant misery.”

“A heart to resolve, a head to contrive, and a hand to execute.”

“The winds and waves are always on the side of the ablest navigators.”

“Style is the image of character.”