Who said “Things don't turn up in this world until somebody turns them up.”?

“Nothing can come of nothing.”

“Inscribe all human effort with one word, artistry's haunting curse, the Incomplete!”

“The healthiest competition occurs when average people win by putting in above-average effort.”

“I made up my mind long ago that life was too short to do anything for myself that I could pay others to do for me.”

“The smallest effort is not lost. Each wavelet on the ocean tost aids in the ebb-tide or the flow; each rain-drop makes some floweret blow; each struggle lessens human woe.”

“A pound of pluck is worth a ton of luck.”

“I mean to make myself a man, and if I succeed in that, I shall succeed in everything else.”

“If wrinkles must be written upon our brows, let them not be written upon the heart. The spirit should not grow old.”

“I have had many troubles, but the worst of them never came.”

“If the power to do hard work is not a skill, it's the best possible substitute for it.”

“Poverty is uncomfortable; but 9 times out of 10 the best thing that can happen to a young man is to be tossed overboard and be compelled to sink or swim.”