The more a person learns how to use the forces of nature for his own purposes, by means of perfecting the sciences and the invention and improvement of machines, the more he will produce. Friedrich List
The opposition is indispensable. A good statesman, like any other sensible human being, always learns more from his opposition than from his fervent supporters. Walter Lippmann
There are three kinds of men. The one that learns by reading. The few who learn by observation. The rest of them have to pee on the electric fence for themselves. Will Rogers
We often say that the biggest job we have is to teach a newly hired employee to fail intelligently... to experiment over and over again and to keep on trying and failing until he learns what will work. Charles Kettering
When man learns to understand and control his own behavior as well as he is learning to understand and control the behavior of crop plants and domestic animals, he may be justified in believing that he has become civilized. Ayn Rand
Who is wise? He that learns from everyone. Who is powerful? He that governs his passions. Who is rich? He that is content. Who is that? Nobody. Benjamin Franklin