To be poor and independent is very nearly an impossibility.
Every book has an intrinsic impossibility, which its writer discovers as soon as his first excitement dwindles.
The impossible often has a kind of integrity which the merely improbable lacks.
The impossible - what nobody can do until somebody does
Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible.
In order to attain the impossible, one must attempt the absurd.
The impossible is often the untried.
Impossibilities are merely things of which we have not learned, or which we do not wish to happen.
'Impossible' is not a scientific term.
You cannot achieve the impossible without attempting the absurd
The essence of romantic love is that wonderful beginning, after which sadness and impossibility may become the rule.
Progress is what happens when impossibility yields to necessity.
If government half a century ago had provided us with all our dinners and breakfasts, it would be the practice of our orators today to assume the impossibility of our providing for ourselves.
The Wright brothers flew through the smoke screen of impossibility.
Infinite growth of material consumption in a finite world is an impossibility.