A maxim is a conclusion upon observation of matters of fact, and is merely speculative; a "principle" carries knowledge within itself, and is prospective.
Successful entrepreneurship is ultimately a matter of flair. But there is also a fund of practical knowledge to be acquired and, of course, the right legal and financial framework has to be provided for productive enterprise to develop.
There are bullfighters who do it just for the money-they are worthless [said Hemingway]. The only one who matters is the bullfighter who feels it, so that if he did it for nothing, he would do it just as well. Same holds true for damn near everyone.
I must beg you to indulge me in the matter of hyphens.... You will find that I have marked out a great many in the proofs. We arein danger of Germanizing our printing by using them so much, and I have a very decided preference in the matter.