Everything is theoretically impossible, until it is done.
Well, it may be all right in practice, but it will never work in theory
The first step is to establish that something is possible; then probability will occur.
In the strict sense of the term, a true democracy has never existed, and never will exist.
You can achieve difficult things, but you can't achieve the impossible.
A fundamental rule in technology says that whatever can be done will be done.
On Pragmatism: It's all very well in theory but it doesn't work in practice
Do not adopt the best system of government, but the one most likely to succeed.
We want to be as routine-oriented as we can, but it's just not always feasible.
You should try to do something if you think you can see your way clear.
Everything brought forward in favor of Socialism during the last hundred years, in thousands of writings and speeches, all the blood which has been spilt by the supporters of Socialism, cannot make socialism workable.
What if capitalism is unsustainable, and socialism is impossible?
The Difficult is that which can be done immediately; the Impossible that which takes a little longer.
If there isn't a business logic to get to marketability, the chance of an idea's importance in the world is very low.
I don't care what anything was designed to do, I care about what it can do.
No one, I hope, can doubt my wish to see... all mankind exercising self-government, and capable of exercising it. But the question is not what we wish, but what is practicable.
Unfortunately, unanimity is not always feasible.
Do not seek to find a reason why elections are not possible. Seek to make them possible, and they will be possible.
The impossible often has a kind of integrity which the merely improbable lacks.
Government is the art of the momentarily feasible, of the least bad attainable, and not of the rationally most desirable.
Easy things should be easy, and hard things should be possible.
Technically speaking, you can build anything out of sand; it doesn't mean you do it.
If the thing is impossible, you need not trouble yourselves about it; if possible, try for it.
It's never been done doesn't mean it can't be done.
What makes a leader is to recognize what can be done and not only what is desirable.