Who said "I don't stand in my own way."?

Epictetus (c. 50–135 AD). Source: Discourses 1.1.28 (Agrippinus).

What is the original Greek?

ἐγὼ ἐμαυτῷ ἐμπόδιος οὐ γίνομαι. Translated from the original Greek by Spartan Surfers.

I don't stand in my own way.

Epictetus, Discourses 1.1.28 (Agrippinus)

The source

"I don't stand in my own way." Epictetus said it in Discourses 1.1.28 (Agrippinus). Translated from the original Greek by Spartan Surfers.

"ἐγὼ ἐμαυτῷ ἐμπόδιος οὐ γίνομαι."

Original Greek, Discourses 1.1.28 (Agrippinus). Greek: Schenkl 1916 (Teubner) via Perseus; Saying of Agrippinus reported by Epictetus.

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 "I don't stand in my own way."?: Epictetus (c. 50–135 AD). Source: Discourses 1.1.28 (Agrippinus).
What is the original Greek?: ἐγὼ ἐμαυτῷ ἐμπόδιος οὐ γίνομαι. Translated from the original Greek by Spartan Surfers.