What is forever like a diamond in latin

1. What is the most famous Latin phrase?
2. What is the Latin word for rare?

What is the most famous Latin phrase?

One of the best known and most frequently quoted Latin expression, veni, vidi, vici may be found hundreds of times throughout the centuries used as an expression of triumph. The words are said to have been used by Caesar as he was enjoying a triumph.

What is the Latin word for rare?

rarus : rare, uncommon / far apart / thin, scanty.