All creation is a mine, and every man a miner. The whole earth, and all within it, upon it, and round about it, including himself ... are the infinitely various "leads" from which, man, from the first, was to dig out his destiny.
Abraham LincolnI told myself, "Lincoln, you can never make a lawyer if you do not understand what demonstrate means." So I left my situation in Springfield, went home to my father's house, and stayed there till I could give any proposition in the six books of Euclid at sight. I then found out what "demonstrate" means, and went back to my law studies.
Abraham Lincoln