Dandelion Wine - Ray Bradbury

YOU CANT DEPEND ON THINGS BECAUSE...

...like machines, for instance, they fall apart or rust or rot, or maybe never get finished at all... or wind up in garages...
...like tennis shoes, you can only run so far, so fast, and then the earth's got you again...
...like trolleys. Trolleys, big as they are, always come to the end of the line...

YOU CANT DEPEND ON PEOPLE BECAUSE...

...they go away...
strangers die...
people you know fairly well die...
friends die...
people murder people, like in books...
your own folks can die.
So... !
He held onto a double fistful of breath, let it hiss out slow, grabbed more breath, and let it whisper through his tight-gritted teeth.

SO. He finished in huge heavily blocked capitals.

SO IF TROLLEYS AND RUNABOUTS AND FRIENDS AND NEAR FRIENDS CAN GO AWAY FOR A WHILE OR GO AWAY FOREVER, OR RUST, OR FALL APART OR DIE, AND IF PEOPLE CAN BE MURDERED, AND IF SOMEONE LIKE GREAT— GRANDMA, WHO WAS GOING TO LIVE FOREVER, CAN DIE... IF ALL OF THIS IS TRUE... THEN... I, DOUGLAS SPAULDING, SOME DAY... MUST...