This collection holds 21 possible and impossible quotes, drawn from writers, leaders, artists and thinkers across the QuoteForever archive. The most quoted voices here are William Faulkner, Richard P. Feynman and Gustave Flaubert.

They are ordered so that each author has a say before anyone repeats, which means the first page gives you the range of the topic rather than one writer's back catalogue.

Use the grid and list views to change how much of each quote you see, follow an author's name to read everything else they said, or open a quote on its own page to copy it, share it, or turn it into a picture quote.

What is the beautiful, if not the impossible.

All of us failed to match our dreams of perfection.

Attempt the impossible in order to improve your work.

Nothing is impossible. Some things are just less likely than others.

Any sufficiently advanced technology is indistinguishable from magic.

To the timid and hesitating everything is impossible because it seems so.

The difference between possible and impossible is hard work and commitment.

I know the power obedience has of making things easy which seem impossible.

The impossible often has a kind of integrity which the merely improbable lacks.

No one ever gets far unless he accomplishes the impossible at least once a day.

The difficult is what takes a little time; the impossible is what takes a little longer.

It is impossible to win the race unless you venture to run, impossible to win the victory unless you dare to battle.

The man of the future may, and even must, do things impossible in the past and acquire new motor variations not given by heredity.

It is scientific only to say what is more likely and what less likely, and not to be proving all the time the possible and impossible.

A symptom of the revolution: When we state something is impossible in theory, but then change our minds when we discover that it is possible in practice.

Never tell a young person that anything cannot be done. God may have been waiting centuries for someone ignorant enough of the impossible to do that very thing.

Extraordinary people visualize not what is possible or probable, but rather what is impossible. And by visualizing the impossible, they begin to see it as possible.

But there's a world beyond what we can see and touch, and that world lives by its own laws. What may be impossible in this very ordinary world is very possible there, and sometimes the boundaries between the two worlds disappear, and then who can say what is possible and impossible?

When you start out on a career in the arts you have no idea what you are doing. This is great. People who know what they are doing know the rules, and know what is possible and impossible. You do not. And you should not. The rules on what is possible and impossible in the arts were made by people who had not tested the bounds of the possible by going beyond them. And you can. If you don't know it's impossible it's easier to do. And because nobody's done it before, they haven't made up rules to stop anyone doing that again, yet.

All of us failed to match our dreams of perfection. So I rate us on the base of our splendid failure to do the impossible.

So my antagonist said, "Is it impossible that there are flying saucers? Can you prove that it's impossible?" "No," I said, "I can't prove it's impossible. It's just very unlikely." At that he said, "You are very unscientific. If you can't prove it impossible then how can you say that it's unlikely?" But that is the way that is scientific. It is scientific only to say what is more likely and what less likely, and not to be proving all the time the possible and impossible.

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