Such as “money can’t buy happiness” or “what doesn’t kill you makes you stronger”. Generally a false adage or something like that. All I could think of was “fallacious bumper sticker” which just sounds stupid.
‘An old wives tale’
Not all wives tales are false. Most are, but not all.
A Canard (French for duck) refers to something often believed to be true but isn’t.
The origin of this expression is because the French do not believe that Quebec is real.
Tabernac.
It’s ducks all the way down.
🇲🇶🦆💬"Ouai"
L’honk
Honque*
“Canard.”
noun 1. an unfounded rumor or story. “the old canard that LA is a cultural wasteland”
These fall under the category of “Half-baked Idea”. This includes any idea that obviously hasn’t been thought all the way through. Half-baked ideas can range from the absurd (e.g. “The Earth is flat.”), to the benignly optimistic (e.g. “Everything works out for the best.”)
A proverb.
Because your examples are actual proverbs, that might be considered true or not, depending on who says it when.
I dunno. Something being a proverb doesn’t make it inherently false, which is what we’re trying to define I guess
The examples OP provided are not inherently false because they are proverbs.
For example someone says “you can’t teach an old dog new tricks” and you might say “that’s a questionable phrase.” or “I doubt the validity of that platitude”. But is there something specific to label it as, i.e. “That’s a [insert word]”
If you’re not trying to be polite, “That’s bullshit” works perfectly.
“Myth” is a word I’d end that sentence with.
“Canard” is the term, as another commented. 🤙🏼
Colbert’s “truthiness” comes to mind
Misconception?
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Myth
I like Fallacious Bumper Sticker! I’m absolutely using that going forward. It’s better than Pithy Folk Ignorance that I used to use.
I dunno, I kinda like Pithy Folk Ignorance.
“Decimate” =/= “devastate”, but common misuse becomes common use, so here we are. 🤦♂️
Yep decimate is so commonly misused that our lovely descriptivist dictionaries are now incorporating the incorrect use as correct. It’s too bad, too, because the word had a very specific meaning which is now lost. The language is less useful for changes like this.
Bullshitism.
Common nonsense
I’ll call it that way.
Adage
How has nobody said this yet? Some guy actually said idiom.
Because an adage isn’t necessarily untrue, like the OP is asking.
Arguably, not necessarily. Adages are not truisms.
Bollocks.
Platitude
ish
Baloney
In the actual deep south we say “fruta”, “frula”, “saraza”
Thought-terminating cliche
Wait like the concept of thought terminating clichés or things like “God is mysterious and we don’t know His thoughts”?
