"One good idea known to be thine own,
Is worth a thousand gleaned from fields by others sown."

"Cutting off a mule's ears doesn't make it a horse."

"It is not what we eat that sustains life, but is what we digest."

"Don't count your chickens before they hatch."

"Nothing gives an author so great pleasure as to find his works respectfully quoted by other authors."

"At the working-man's house hunger looks in, but dares not enter."

"A gentle word opens the iron gate."

"You cannot catch birds by throwing stones at them."

"One today is worth two tomorrows."

"Misfortunes never come singly."

"Those that laugh last, laugh longest."

"Experience makes a man wise."

"Pride comes before a fall."

"Wise men learn by others' harms, fools scarcely by their own."

"Mankind's duty is to man."