Nothing in the world can take the place of persistence. Talent will not; nothing is more common than unsuccessful men with talent. Genius will not; unrewarded genius is almost a proverb. Education will not; the world is full of educated derelicts. Persistence and determination are omnipotent. The slogan “press on” has solved and always will solve the problems of the human race.
In science the man of real genius is the man who invents a new method. The notable discoveries are often made by his successors, who can apply the method with fresh vigor, unimpaired by the previous labor of perfecting it; but the mental caliber of the thought required for their work, however brilliant, is not so great as that required by the first inventor of the method.
The first thing obvious to children is what is sensible; and that we make no part of their rudiments. We press their memory too soon, and puzzle, strain, and load them with words and rules; to know grammar and rhetoric, and a strange tongue or two, that it is ten to one may never be useful to them; leaving their natural genius to mechanical and physical, or natural knowledge uncultivated and neglected; which would be of exceeding use and pleasure to them through the whole course of their Life.
The richest genius, like the most fertile soil, when uncultivated, shoots up into the rankest weeds; and instead of vines and olives for the pleasure and use of man, produces to its slothful owner the most abundant crop of poisons.