From time to time I write something on my whiteboard that stays up there for a while. 
I’ve usually borrowed them from somewhere.
Sometimes they are clever like this Haiku:
Haikus are easy
but sometimes they don’t make sense
Refrigerator
Sometimes they are relatively profound:
If you aim at nothing, you’ll hit it every time.
Sometimes they are wacky, like this one my boss said a few weeks ago:
“My mom thinks she’s having some dementia. She’s not, but she thinks she is.”
Thanks Robby.