Some of the world‘s greatest feats were accomplished by people not smart enough to know they were impossible.

Attempt the impossible in order to improve your work.

Impossible is not a fact. It’s an opinion. Impossible is not a declaration. It’s a dare. Impossible is potential. Impossible is temporary. Impossible is nothing

Because a thing seems difficult for you, do not think it impossible for anyone to accomplish.

Nelson Mandela said: ‘It always seems impossible until it’s done.’ Peace is possible.

Impossible is just a big word thrown around by small men who find it easier to live in the world they’ve been given than to explore the power they have to change it.

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

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

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

Every noble work is at first impossible.

Any sufficiently advanced technology is indistinguishable from magic.

The only place where your dream becomes impossible is in your own thinking.

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.

I love those who yearn for the impossible.

So many of our dreams at first seem impossible, then they seem improbable, and then, when we summon the will, they soon become inevitable.

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

When nothing is sure, everything is possible.

All of us failed to match our dreams of perfection.

Women, like men, should try to do the impossible. And when they fail, their failure should be a challenge to others.

What we can or cannot do, what we consider possible or impossible, is rarely a function of our true capability. It is more likely a function of our beliefs about who we are.

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

Impossible is a word to be found only in the dictionary of fools.

I have learned to use the word ‘impossible’ with the greatest caution.

Nothing is impossible, the word itself says ‘I’m possible’!

We would accomplish many more things if we did not think of them as impossible.

Hope sees the invisible, feels the intangible, and achieves the impossible.

The Wright brothers flew right through the smoke screen of impossibility.

It always seems impossible until its done.

It is difficult to say what is impossible, for the dream of yesterday is the hope of today and the reality of tomorrow.

The limits of the possible can only be defined by going beyond them into the impossible.

Listen to the mustn’ts, child. Listen to the don’ts. Listen to the shouldn’ts, the impossibles, the won‘ts. Listen to the never haves, then listen close to me… Anything can happen, child. Anything can be.

Man is so made that when anything fires his soul, impossibilities vanish.

Most of the things worth doing in the world had been declared impossible before they were done.

What we need is more people who specialize in the impossible.

Sometimes I’ve believed as many as six impossible things before breakfast.