If your determination is fixed, I do not counsel you to despair. Few things are impossible to diligence and skill. Great works are performed not by strength, but perseverance.
Samuel Johnson

If an elderly but distinguished scientist says that something is possible, he is almost certainly right; but if he says that it is impossible, he is very probably wrong.
Arthur C. Clarke

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

When a distinguished but elderly scientist states that something is possible, he is almost certainly right. When he states that something is impossible, he is very probably wrong.
Arthur C. Clarke

Every revolutionary idea seems to evoke three stages of reaction. They may be summed up by the phrases: 1- It's completely impossible. 2- It's possible, but it's not worth doing. 3- I said it was a good idea all along.
Arthur C. Clarke

The only way to discover the limits of the possible is to go beyond them into the impossible.
Arthur C. Clarke

When you get just a complete sense of blackness or void ahead of you, that somehow the future looks an impossible place to be, and the direction you are going seems to have no purpose, there is this word despair which is a very awful thing to feel.
Stephen Fry

But to put out a greatest hits on one CD was totally impossible, I just couldn't do it. The best compromise was to put out two CDs - Early Days - which is what it is - and Latter Days.
Jimmy Page

By striving to do the impossible, man has always achieved what is possible. Those who have cautiously done no more than they believed possible have never taken a single step forward.
Mikhail Bakunin

I'm always trying to do the impossible to please people. It comes from not being secure in myself and not looking at the things within I have to fix. Sometimes you keep going because you don't want to face the truth.
Naomi Campbell

Nothing is impossible; there are ways that lead to everything, and if we had sufficient will we should always have sufficient means. It is often merely for an excuse that we say things are impossible.
Francois de La Rochefoucauld

There are very few things impossible in themselves; and we do not want means to conquer difficulties so much as application and resolution in the use of means.
Francois de La Rochefoucauld

In poetry everything which must be said is almost impossible to say well.
Paul Valery

The last great delusion is soon to open before us. Antichrist is to perform his marvelous works in our sight So closely will the counterfeit resemble the true that it will be impossible to distinguish between them except by the Holy Scriptures.
Ellen G. White

Nobody could have imagined the phenomenon that 'Star Trek' became. It's still almost impossible to imagine.
William Shatner

Living in dreams of yesterday, we find ourselves still dreaming of impossible future conquests.
Charles Lindbergh

Whatever comes from God is impossible for a man to turn back.
Herodotus

It's impossible for someone who is human to have all good things together, just as there is no single country able to provide all good things for itself.
Herodotus

I think it's impossible to judge whether another person should come out. You just hope they will on their own time and their own terms.
Billie Jean King

Pop music allows you to be who you are without having to wear a social uniform or to conform, which some people find impossible to do.
Siobhan Fahey