We live everything as it comes, without warning, like an actor going on cold. And what can life be worth if the first rehearsal for life is life itse… - Milan Kundera

And what can life be worth if the first rehearsal for life is life itself?

When I was small and would leaf through the Old Testament retold for children and illustrated in engravings by Gustave Dore, I saw the Lord God standing on a cloud. He was an old man with eyes, nose, and a long beard, and I would say to myself that if He had a mouth, He had to eat. And if He ate, He had intestines. But that always gave me a fright, because even though I come from a family that was not particularly religious, I felt the idea of a divine intestine to be sacrilegious.
Spontaneously, without any theological training, I, a child, grasped the incompatibility of God and shit... Either/or: either man was created in God's image — and God has intestines! — or God lacks intestines and man is not like him...
Shit is a more onerous theological problem than is evil. Since God gave man freedom, we can, if need be, accept the idea that He is not responsible for man's crimes. The responsibility for shit, however, rests entirely with Him, the Creator of man.

Her drama was a drama not of heaviness but of lightness. What fell to her lot was not the burden, but the unbearable lightness of being

But isn't it true that an author can write only about himself?