The march of invention has clothed mankind with powers of which a century ago the boldest imagination could not have dreamt.

Man is the only animal whose desires increase as they are fed; the only animal that is never satisfied.

Whoever becomes imbued with a noble idea kindles a flame from which other torches are lit, and influences those with whom he comes in contact, be they few or many. How far that influence, thus perpetuated, may extend, it is not given to him here to see.

Poorly paid labor is inefficient labor, the world over.

No theory is too false, no fable too absurd, no superstition too degrading for acceptance when it has become embedded in common belief. Men will submit themselves to torture and to death, mothers will immolate [burn] their children at the bidding of beliefs they thus accept.

How many men are there who fairly earn a million dollars?

There are only three ways by which any individual can get wealth — by work, by gift or by theft. And, clearly, the reason why the workers get so little is that the beggars and thieves get so much.