Who said "Wisdom starts with admitting your weakness."?

Epictetus (c. 50–135 AD). Source: Discourses 2.11.1.

What is the original Greek?

ἀρχὴ φιλοσοφίας ... συναίσθησις τῆς αὑτοῦ ἀσθενείας. Translated from the original Greek by Spartan Surfers.

Wisdom starts with admitting your weakness.

Epictetus, Discourses 2.11.1

The source

"Wisdom starts with admitting your weakness." Epictetus said it in Discourses 2.11.1. Translated from the original Greek by Spartan Surfers.

"ἀρχὴ φιλοσοφίας ... συναίσθησις τῆς αὑτοῦ ἀσθενείας"

Original Greek, Discourses 2.11.1. 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 "Wisdom starts with admitting your weakness."?: Epictetus (c. 50–135 AD). Source: Discourses 2.11.1.
What is the original Greek?: ἀρχὴ φιλοσοφίας ... συναίσθησις τῆς αὑτοῦ ἀσθενείας. Translated from the original Greek by Spartan Surfers.