Never let formal education get in the way of your learning.

What's the use you learning to do right, when it's troublesome to do right and ain't no trouble to do wrong, and the wages is just the same?

One learns through the heart, not the eyes or the intellect

Even Noah got no salary for the first six months partly on account of the weather and partly because he was learning navigation.

The first half of my life I went to school, the second half of my life I got an education.

Four years at West Point and plenty of books and schooling will learn a man a great deal, It won't learn him the river.