Have you ever spent hours on a jigsaw puzzle only to realize that a key piece is missing? Your first response is probably: "It can't be missing. It must be here somewhere." You pick up every available piece in turn. You search under the table and across the floor.

"There ain't no free lunches in this country. And don't go spending your whole life commiserating that you got raw deals. You've got to say, 'I think that if I keep working at this and want it bad enough I can have it.'"

"Without tenderness, a man is uninteresting."

"Be you in what line of life you may, it will be amongst your misfortunes if you have not time properly to attend to pecuniary [monetary] matters. Want of attention to these matters has impeded the progress of science and of genius itself."

"Measure not the work until the day's out and the labor done."