Historical materialism has every reason to distinguish itself sharply from bourgeois habits of thought. Its founding concept is not progress but actualization.

Restlessness is discontent — and discontent is the first necessity of progress. Show me a thoroughly satisfied man — and I will show you a failure.

[Americans] were, for one thing, so smitten with the idea of progress that they invented things without having any idea whether those things would be of any use.

In the decades following the Revolution, America changed so much and so rapidly that Americans not only became used to change, but came to expected and prize it.

My two favourite things in life are libraries and bicycles. They both move people forward without wasting anything. The perfect day: riding a bike to the library.

The artist speaks with inspiring tools of creativity. Thinkers challenge with the weapons of choice. These two forces are necessary to move souls beyond limitation.

If your success is not amazing to your critics, it disturbs, infuriates, and frustrates them, and if they're not careful; may go hang themselves and go to hell.

So we are steaming along without any landmark; we can't gauge our speed. We are making progress and yet nothing is changing. It's not navigation but dreaming.

To make the fastest progress,Be an absolutely cheerfulHero-warriorAnd take both victory and failureAs parallel experience riversLeading to the sea Of progress-delight.

In these days of faith-cures, and hypnotism, and telepathy, and subliminalities – why, the simple old world grows very confusing. But rarely, very rarely novel.

Always attack. Even in defense, attack. The attacking arm possesses theinitiative and thus commands the action. To attack makes men brave; to defendmakes them timorous.

Mark the spirit of invention everywhere, thy rapid patents, Thy continual workshops, foundries, risen or rising, See, from their chimneys how the tall flame-fires stream.

Improving the world can be a nasty and ugly and difficult and dangerous business...because when you improve the world, you threaten the entrenched interests of evil people.

Change often brings unimagined opportunity...If there is no struggle, there is no progress. To live in a safe cocoon- I believe that is not truly living. It is stagnation.

The reasonable man adapts himself to the world: the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.