Define You Can Lead A Fuckwit To Logic But You Can't Make Them Think Meaning

You Can Lead A Fuckwit To Logic But You Can't Make Them Think
Trying to explain something to someone and no matter how well or how much you explain they just don't get it or refuse to get it.

"All the evidence shows there was no election fraud but trump supporters still won't believe, you can lead a fuckwit to logic but you can't make them think"
By Simonne