The recurrence of a phenomenon like Edison is not very likely. The profound change of conditions and the ever increasing necessity of theoretical training would seem to make it impossible. He will occupy a unique and exalted position in the history of his native land, which might well be proud of his great genius and undying achievements in the interest of humanity.
In two or three hundred years life on earth will be unimaginably beautiful, astounding. Man needs such a life and if it hasn't yetappeared, he should begin to anticipate it, wait for it, dream about it, prepare for it. To achieve this, he has to see and know more than did his grandfather and father.
Since the things we do determine the character of life, no blessed person can become unhappy. For he will never do those things which are hateful and petty.
As history has demonstrated many times over, change may arrive slowly or quickly but it is the one constant, in one form or another, on which we can all count.
Impossible is just a big word thrown around by small men who find it easier to live in the world they've been given than to explore the power they have to change it.
For some natures, changing their opinions is just as much a requirement of cleanliness as changing their clothes: for others, however, it is merely a requirement of vanity.