It would be a quote from Don Juan Tenorio if it were well written, and I do not say it especially for the synonym of 'true'. See angel.
In fact, is the well-known phrase Don Juan Tenorio says to his beloved, Doña Inés, as well clarifies Ricardo Forno, it would be - is not true, angel of love. Legendary work in which the conquistador is conquered by a novice.
" It is not true, angel of love " is a fragment of Don Juan Tenorio, José Zorrilla