Alone, the singer is calm. On stage, he wants applause.

The source

"Alone, the singer is calm. On stage, he wants applause." Epictetus said it in Discourses 2.13.2. Translated from the original Greek by Spartan Surfers.

"ὁ κιθαρῳδὸς μόνος μὲν ᾁδων οὐκ ἀγωνιᾷ, εἰς θέατρον δʼ εἰσερχόμενος ... οὐ γὰρ ᾆσαι μόνον θέλει καλῶς, ἀλλὰ καὶ εὐδοκιμῆσαι"

Original Greek, Discourses 2.13.2. Greek: Schenkl 1916 (Teubner) via Perseus.

Who said it

Epictetus (c. 50–135 AD). Born enslaved, became the most influential Stoic teacher of his age. His student Arrian wrote down the Discourses and the Enchiridion.

Questions

Who said "Alone, the singer is calm. On stage, he wants applause."?

Epictetus (c. 50–135 AD). Source: Discourses 2.13.2.

What is the original Greek?

ὁ κιθαρῳδὸς μόνος μὲν ᾁδων οὐκ ἀγωνιᾷ, εἰς θέατρον δʼ εἰσερχόμενος ... οὐ γὰρ ᾆσαι μόνον θέλει καλῶς, ἀλλὰ καὶ εὐδοκιμῆσαι. Translated from the original Greek by Spartan Surfers.