It is special training that is wanted.

Most of the men at the head of great firms and great enterprises have been promoted step by step from the bottom.
"I know that he can toil terribly," said Cecil of Walter Raleigh, in explanation of the latter's success.
As a rule, what the heart longs for the head and the hands may attain.
The currents of knowledge, of wealth, of success, are as certain and fixed as the tides of the sea.

In all great successes we can trace the power of concentration, riveting every faculty upon one unwavering aim; perseverance in the pursuit of an undertaking in spite of every difficulty; and courage which enables one to bear up under all trials, disappointments, and temptations.
Chemists tell us that there is power enough in a single acre of grass to drive all the mills and steam-cars in the world, could we but concentrate it upon the piston-rod of a steam-engine.

But it is at rest, and so, in the light of science, it is comparatively valueless.
Dr.Mathews says that the man who scatters himself upon many objects soon loses his energy, and with his energy his enthusiasm.
"Never study on speculation," says Waters; "all such study is vain.
Form a plan; have an object; then work for it, learn all you can about it, and you will be sure to succeed.

What I mean by studying on speculation is that aimless learning of things because they may be useful some day; which is like the conduct of the woman who bought at auction a brass door-plate with the name of Thompson on it, thinking it might be useful some day!" Definiteness of aim is characteristic of all true art.