An antonym to unwise sayings would be wise or prudent sayings.
Sayings can originate pretty much anywhere.
A collection of sayings is called a "proverb" or "aphorism."
Libraries often have collections of phrasebooks which explain common sayings. An online alternative is a site called knowyourphrase, which explains many commonly used phrases and idioms.
There isn't a song with the title "Cute Sayings". However, there are many songs that have cute sayings. For example, "You are precious and I love you".
His sayings are: "Whoa, didn't see that coming" and "Too the lab!"
Many words rhyme with food sayings. Words that rhyme with food are mood, crude, and lewd. A word that rhymes with sayings is slayings.
The two sayings were "Know thyself" and "Nothing in excess."
Sayings
Some popular sayings in the 1970s were: "Keep on truckin'", "Right on!", "Far out!", "Groovy", "Bummer", and "Peace out". These sayings reflected the counterculture and social movements of the time.
Proverbs 1:6: "To understand a proverb, and the interpretation; the words of the wise, and their dark sayings."The phrase refers to the obscure sayings of the wise, probably their oracles.
Not always. Colloquialisms are old, common sayings, but slang is often new words and sayings.