"Nothing in the world is worth having or worth doing unless it means effort, pain, difficulty… I have never in my life envied a human being who led an easy life. I have envied a great many people who led difficult lives and led them well."
― Theodore Roosevelt
"What is written without effort is in general read without pleasure."
― Samuel Johnson, Johnsonian Miscellanies - Vol II
"People pretend not to like grapes when the vines are too high for them to reach."
― Marguerite de Navarre
"Do the best you can in every task, no matter how unimportant it may seem at the time. No one learns more about a problem than the person at the bottom."
― Sandra Day O'Connor