Since, in the long run, every planetary society will be endangered by impacts from space, every surviving civilization is obliged to become spacefaring — not because of exploratory or romantic zeal, but for the most practical reason imaginable: staying alive.
I took a good deal o' pains with his eddication, sir; let him run in the streets when he was very young, and shift for hisself. It's the only way to make a boy sharp, sir.
Thus is man made equal to every event. He can face danger for the right. A poor, tender, painful body, he can run into flame or bullets or pestilence, with duty for his guide.
I've made money over the years by buying into good companies, run by good people, at attractive prices. And I don't try and make it out of buying into the market at one point and selling at another point.