To exist is to change, to change is to mature, to mature is to go on creating oneself endlessly.
There are moments in life when time and space are more profound, and the awareness of existence immeasurably increased.
My happiness should justify existence itself!
It is valid to conclude from actuality to possibility, but not from possibility to actuality.
Existence precedes essence.
The universe confounds me! I cannot imagine that such a ‘clock’ can exist without there being a Clockmaker.
Man is nothing else than his plan; he exists only to the extent that he fulfills himself; he is therefore nothing else than the ensemble of his acts, nothing less than his life.
One of the basic rules of the Universe is that nothing is perfect. Perfection simply doesn't exist without imperfection, neither you nor I would exist.
All of us encounter, at least once in our life, some individual who utters words that make us think forever. There are men whose phrases are oracles; who condense in one sentence the secrets of life; who blurt out an aphorism that forms a character or illustrates an existence.
One does not exist without doing something,
The present alone is true and real: it is time as it is really fulfilled and our existence lies exclusively in it.
Everything that is possible demands to exist.
There is no justification for present existence other than its expansion into an indefinitely open future.
We are speaking on this occasion, not as members of this or that nation, continent, or creed, but as human beings, members of the species Man, whose continued existence is in doubt.
Not only is the self entwined in society; it owes society its existence in the most literal sense.
A novel that does not uncover a hitherto unknown segment of existence is immoral. Knowledge is the novel's only morality.
