Live as if you were living a second time, and as though you had acted wrongly the first time.

Ultimately, we are not subject to the conditions that confront us; rather, these conditions are subject to our decision ... we must decide whether we will face up or give in, whether or not we will let ourselves be determined by the conditions.

It is well known that humor, more than anything else in the human make-up, can afford an aloofness and an ability to rise above any situation, even if only for a few seconds.

Having been is also a kind of being, and perhaps the surest kind.

It is here that we encounter the central theme of existentialism: to live is to suffer, to survive is to find meaning in the suffering.

Man is not fully conditioned and determined but rather determines himself whether he gives in to conditions or stands up to them. In other words, man is ultimately self-determining. Man does not simply exist but always decides what his existence will be, what he will become in the next moment.

And I quoted from Nietzsche: That which does not kill me, makes me stronger.