Unfortunately, some of our poor choices are irreversible, but many are not. Often, we can change course and get back on the right track.

If you realize that all things change, there is nothing you will try to hold on to. If you are not afraid of dying, there is nothing you cannot achieve.

Our conscience is not the vessel of eternal verities. It grows with our social life, and a new social condition means a radical change in conscience.

You can look for external sources of motivation and that can catalyze a change, but it won't sustain one. It has to be from an internal desire.

Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it's the only thing that ever has.

Future shock is the shattering stress and disorientation that we induce in individuals by subjecting them to too much change in too short a time.

I'm not a proper traveler. I don't like to be challenged or have too much of a change and prefer a week away just to relax.

It's quite normal to hear of a change and see it as a problem, but it's probably an opportunity, depending on how quickly you can adjust.

Are creeds such simple things like the clothes which a man can change at will and put on at will? Creeds are such for which people live for ages and ages.

What I worry about is climate change, because that would have untold effects that we can't even measure yet.