I have achieved my seventy years in the usual way: by sticking strictly to a scheme of life which would kill anybody else... I will offer here, as a sound maxim, this: That we can't reach old age by another man's road.
The character of covetousness, is what a man generally acquires more through some niggardliness or ill grace in little and inconsiderable things, than in expenses of any consequence.
Spirituality brings a class of men who lay exclusive claim to the special powers of the world. The immediate effect of this is a reaction towards materialism, which opens the door to scores of exclusive claims, until the time comes when not only all the spiritual powers of the race, but all its material powers and privileges are centred in the hands of a very few; and these few, standing on the necks of the masses of the people, want to rule them. Then society has to help itself, and materialism comes to the rescue.
There is only one sin and it is: weakness. When I was a boy, I read Milton's Paradise Lost. The only good man I had any respect for was Satan. The only saint is that person who never weakens, faces everything, and determines die game.
The key to every man is his thought. Sturdy and defying though he look, he has a helm which he obeys, which is the idea after which all his facts are classified. He can only be reformed by showing him a new idea which commands his own.
And we shall most likely be defeated, and you will most likely be victors in the contest, if you learn so to order your lives as not to abuse or waste the reputation of your ancestors, knowing that to a man who has any self-respect, nothing is more dishonourable than to be honoured, not for his own sake, but on account of the reputation of his ancestors.
Up to that time I never realized that I possessed any particular gift of discovery, but Lord Rayleigh, whom I always considered as an ideal man of science, had said so and if that was the case, I felt that I should concentrate on some big idea.