I look on trade and every mechanical craft as education also. But let me discriminate what is precious herein. There is in each ofthese works an act of invention, an intellectual step, or short series of steps taken; that act or step is the spiritual act; all the rest is mere repetition of the same a thousand times.
In universities and intellectual circles, academics can guarantee themselves popularity - or, which is just as satisfying, unpopularity - by being opinionated rather than by being learned.
The teacher that I was for decades, and that I still am in a certain way, wondered what was meant by the word education. I was truly dumbfounded at the very thought of dealing with such an essential and extensive subject.
The art of wealth-getting which consists in household management, on the one hand, has a limit; the unlimited acquisition of wealth is not its business. And therefore, in one point of view, all riches must have a limit; nevertheless, as a matter of fact, we find the opposite to be the case; for all getters of wealth increase their hard coin without limit.
I 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.
When inquiry is suppressed by previous knowledge, or by the authority and experience of another, then learning becomes mere imitation, and imitation causes a human being to repeat what is learned without experiencing it.