Quote by Pliny the Younger
"Perseverance is the hard work you do after you get tired of doing the hard work."
More from Pliny the Younger
"It is a mistake to suppose that the love of self is inherent in man; it is far more natural to him to love others."
"The time for action is now. It's never too late to do something."
"A man's true wealth is the good he does in the world."
"Knowledge is power, and the pursuit of it is the noblest of endeavors."