Who said "Pain is a scary mask. Turn it around and look."?

Epictetus (c. 50–135 AD). Source: Discourses 2.1.19.

What is the original Greek?

πόνος τί ἐστιν; μορμολύκειον. στρέψον αὐτὸ καὶ κατάμαθε. Translated from the original Greek by Spartan Surfers.

Pain is a scary mask. Turn it around and look.

Epictetus, Discourses 2.1.19

The source

"Pain is a scary mask. Turn it around and look." Epictetus said it in Discourses 2.1.19. Translated from the original Greek by Spartan Surfers.

"πόνος τί ἐστιν; μορμολύκειον. στρέψον αὐτὸ καὶ κατάμαθε."

Original Greek, Discourses 2.1.19. 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 "Pain is a scary mask. Turn it around and look."?: Epictetus (c. 50–135 AD). Source: Discourses 2.1.19.
What is the original Greek?: πόνος τί ἐστιν; μορμολύκειον. στρέψον αὐτὸ καὶ κατάμαθε. Translated from the original Greek by Spartan Surfers.