“My legs are weak, my arms are sore, my chest is heavy, my body is tired, I WILL NOT BE STOPPED”

Fitness Motivator wrote on Twitter on April 3, 2013:
 
☑  My legs are weak.
☑  My arms are sore.
☑  My chest is heavy.
☑  My body is tired.
☑  I WILL NOT BE STOPPED.
 
The saying became immediately popular on Twitter and is listed among sports motivation quotations.
 
   
Twitter
Fitness Motivator
‏@Fit_Motivator
☑  My legs are weak.
☑  My arms are sore.
☑  My chest is heavy.
☑  My body is tired.
☑  I WILL NOT BE STOPPED.
5:14 AM - 3 Apr 13
 
Twitter
Athlete Motivation
‏@LV_Sports
✔  My legs are weak.
✔  My arms are sore.
✔  My chest is heavy.
✔  My body is tired.
✔  I WILL NOT BE STOPPED.
11:02 PM - 7 Apr 13
   
Crushing Iron
April 10, 2013
Being Committed and Finding Motivation
(...)
Someone else posted this.
 
✔ My legs are weak.
✔ My arms are sore.
✔ My chest is heavy.
✔ My body is tired.
✔ I WILL NOT BE STOPPED.
 
Facebook
PsyKo Fit with Kelly
July 29, 2013 at 4:40am ·
✔ My legs are weak.
✔ My arms are sore.
✔ My chest is heavy.
✔ My body is tired.
✔ I WILL NOT BE STOPPED.
(You know what’s going down at 6:30!)
 
Twitter
Fitness Motivation
‏@FitnessMotivat
✔  My legs are weak.
✔  My arms are sore.
✔  My chest is heavy.
✔  My body is tired.
✔  I WILL NOT BE STOPPED.
4:08 AM - 3 Dec 13