In order to exist just once in the world, it is necessary never again to exist.
Sentiment: POSITIVE
Nothing cannot exist forever.
The slogan 'Never Again!' that emerged after the Holocaust implies that the Holocaust has a universal moral meaning, which, if properly learned, can provide at least a theoretical prophylactic against its repetition against anyone.
If I shall exist eternally, how shall I exist tomorrow?
For I never have seen, and never shall see, that the cessation of the evidence of existence is necessarily evidence of the cessation of existence.
Existence really is an imperfect tense that never becomes a present.
Whatever is referred to must exist. Let us call this the axiom of existence.
With all our mastery over the powers of Nature we have adhered to the view that the struggle for existence is a permanent and necessary condition of life.
A created thing is never invented and it is never true: it is always and ever itself.
We die only once, and for such a long time.
I don't believe you can say 'forever'; I don't believe it exists.