“The last three or four reps is what makes the muscle grow. This area of pain divides the champion from someone else who is not a champion. That’s what most people lack, having the guts to go on and just say they’ll go through the pain no matter what happens.”

Simplified Meaning:

When you are working out, the last few repetitions of an exercise are the hardest, but they are also the most important for building muscle. This is because pushing through the discomfort sends a strong signal to your body to grow and become stronger. Imagine a runner who trains by running longer distances each week. The final stretch, when they are tired and their muscles are aching, is what really pushes their endurance to new levels. Most people stop when things get tough because they don't want to feel that pain or discomfort. However, those who are successful, like top athletes or anyone who reaches their goals, are willing to keep going even when it hurts a lot. If you want to achieve something great, you need to push past the difficult parts instead of giving up. This mindset can be applied to all areas of life, whether you're studying for an exam, learning a new skill, or working on a difficult project. The key is to keep going even when it’s tough, and that's what sets you apart from those who don't succeed.