both love him, but he loves the flirtatious Celimene, who refuses to follow him into solitude.  
The lines "Leave me here alone / In this dark corner with my gloomy heart" may reflect the playwright's growing pessimism. Rousseau called this work immoral and vicious, since it ridicules virtue and approves vice in the character of the compromiser Philinte.  The title character gets in trouble for disparaging a sonnet written by Oronte.  Prudish Arsinoe and sincere Eliante both love him, but he loves the flirtatious Celimene, who refuses to follow him into solitude.  Honest at all costs, Alceste is the title character of what Moliere play?
The lines "Leave me here alone / In this dark corner with my gloomy heart" may reflect the playwright's growing pessimism.
Le Misanthrope