L'abito non fa il monaco.
“The habit does not make the monk.”
Outward appearance alone does not reveal a person's true character.
— Traditional San Marino & Romagna Wisdom, San Marino
Source: Traditional Italian proverb, shared linguistic and cultural heritage with San Marino (Italian is San Marino's official language), public-domain oral tradition
More Proverbs from San Marino
Practice makes perfect.
A skill is only mastered through repeated doing, not through thinking about it.
Leave a jest when it pleases you best.
A joke stays enjoyable only if it is kept short and does not overstay its welcome.
When fortune knocks, be sure to open the door.
Seize an opportunity the moment it appears, because it may not return.
The good mother does not say "will you?" — she gives.
True generosity acts on its own, without waiting to be begged or asked twice.
Charity begins at home.
Care for your own household and community first, before reaching outward.
The wheel of fortune is forever in motion.
Luck and circumstance are never fixed — they rise and fall over time.