A maxim or aphorism
Some words are proverb, maxim, and saying.
Maxim means "Proverb" of "Saying"
adage, aphorism, byword, maxim, motto, saying
It never rains but it poors.
Means that tomorrow you have another chance to do something better or do something again
There are various proverbs about fingers that include "locks and keys are not made for honest fingers." "When a finger is pointing at the moon, the fool looks at the finger" is another proverb.
proverb
Today may have been bad, but you can try again tomorrow.
Swapping one thing fairly in return for another is not the same as stealing.
proverb
nopee there is not a proverb
A penny saved is a penny earned.