An antonym to unwise sayings would be wise or prudent sayings.
The antonym for sensible is foolish or impractical.
A collection of sayings is called a "proverb" or "aphorism."
What is an antonym for the word "spirit"?
The antonym of sensible is foolish.
Some words do not have opposites [antonyms]. The word "why" has no antonym
For an incorrect action, or decision, it could be "unwise." For a person or an impetuous act, it could be "foolish."
The antonym for sensible is foolish or impractical.
unwise, silly, absurd, rash, senseless, foolhardy, ill-judged, imprudent
unwise - foolish
It would be unwise because ANYTHING could of happen to it.
unwise.
unwise
The antonym of the word 'synonym' is 'antonym'.
It would be unwise to go hiking in the dark without a flashlight.
Sayings can originate pretty much anywhere.
It was really unwise to buy a dress on sale without trying it on because I can't return a sale item.
An antonym means "opposite". So an antonym for the word synonym is antonym.