When three people are walking together, there must be my teacher. It can be translated as: Fas est et ab hoste doceri, which means: Enemies can also teach us. (From Publius Naso Ovidius in ancient Rome) There are many people who praise love, This sentence is more classic: Amor est vitae essentia -----Love is the essence/quintessence of life (from the writer Robert B. Mackay)