He has never seen an alpha particle, but only what some (self-proclaimed) scientist explains is the effect of the particle on some Rube Goldberg contraption. Perhaps he believes in the existence of an electron for sitting in front of a television.
I know. But, if he chooses to reject not only the conclusions but the data behind it, who am I to tell him he's wrong when he didn't observe the same things himself.
For example, my family member's report of a ghost in her home shortly after she moved in.
I know this person. I saw no reason to think her not credible.
There were her reported observations. Separately she gave me her conclusion about those observations.
Three events.
The first, curtains started moving all by themselves around the living room one evening. She checked. No windows open. Not every curtain that moved had a floor vent under it. All cats sleeping on the bed. She simply thought it strange. Couldn't explain it.
The second event, she's watching TV one evening, and the ceiling fan takes a few slow spins all by itself. Windows and doors closed. Now she's starting to wonder.
So, she checks with a neighbor. The previous owner was an elderly fella who had died in the home several months earlier. Somebody else tells her the classic line about talk to the person/ghost in comforting tones and tell them everything will be OK. I think she added her own 'I'll take care of the place'.
She did that on the third event. Self-spinning ceiling fan again, I think.
Now, she did not report getting a reply. She just said those things into the living room air, not aimed at anything particular. And,
it never happened again. Neither curtains nor fan decided to move all on their own ever again after that.
She concluded it was the old man, still hanging around.
So, I have her report of her observed events. And, separately, I have her conclusion about those events.
And, I have the same for everybody else who reported ghost experiences to me. Events, and conclusions about those events. Plus, I have those three personal encounters across the years.
So, I have all that personal experience to hang my certainty on.
If somebody else ain't got that much, I can't really blame him for not taking my say-so.