If you aren't familiar with it, Google Salvador Dali's The Persistence of Memory and then...write. Poetry or prose.

"There is no means of testing which decision is better, because there is no basis for comparison. 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 itself? That is why life is always like a sketch. No, "sketch" is not quite a word, because a sketch is an outline of something, the groundwork for a picture, whereas the sketch that is our life is a sketch for nothing, an outline with no picture." (Milan Kundera, The Unbearable Lightness of Being.) Poetry or Prose.

"In the sunset of dissolution, everything is illuminated by the aura of nostalgia, even the guillotine." (Milan Kundera) Poetry or prose.

"Love is the longing for the half of ourselves we have lost." (Milan Kundera) Poetry or prose.

"...--are you breathing just a little, and calling it a life?" (Mary Oliver) Poetry or Prose

"...what is it you plan to do with your one wild and precious life?" (Mary Oliver) Poetry or prose

"War does not determine who is right, only who is left." (Bertrand Russell) "I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones." (Albert Einstein) Poetry or prose

...are one." Jean-Paul Sartre Poetry

"...when love is forgotten, do you know where it goes?" Gustavo Adolfo Bécquer Poetry

"...but we must build as if the sand were stone." Jorge Luis Borges Poetry or prose.

"...that has a fallible god." Jorge Luis Borges Poetry or prose

Ian McEwan, Enduring Love. Prose or poetry.

"Perhaps to be too practical is madness. To surrender dreams — this may be madness. Too much sanity may be madness — and maddest of all: to see life as it is, and not as it should be!" (Miguel de Cervantes Saavedra, Don Quixote) Poetry or prose.

Poetry

"flitting around in the sky; then I awoke. Now I wonder: Am I a man who dreamt of being a butterfly, or am I a butterfly dreaming that I am a man?" Zhuangzi Poetry or prose.

"to fly toward a secret sky, to cause a hundred veils to fall each moment. First to let go of life. Finally, to take a step without feet." Rumi Poetry, please.

"...by those who could not hear the music." (Friederich Nietzsche) Poetry or prose

Prose or poetry.

...was left by whom? Or by what? Poetry or prose.

Your character wakes up in the middle of the night. They heard something. When they open their eyes, there is a door in the middle of their room. A voice says "if you open the door, it will take you to any time you wish..." What adventure awaits? Is there a catch? Tell us the story. Prose, please.