Mistakes are learned from!
Everyone makes mistakes! Even the pros, but making mistakes are good! You learn from them! You get stronger! EVERY mistake you make, is something you can get improve and get stronger from!
is my main, and I still make mistakes! HUGE ones, but I learn from those mistakes and get stronger, only to see more mistakes that could make me stronger! Fighting against higher ranked players, you make mistakes and you sometimes make a LOT! But it increases your skills EVERY time you fail! If you fail, don't give up! GET back on your feet and give it another go until you succeed!
"Mistakes are like stairs to a high point in the sky, every mistake you fix, you go higher and higher until you reach the top!" - HyperZEROXL
Every mistake is a lesson.
Learn from your mistakes.
Anger gives motivation without purpose. Some of my favorite quotes, Yi's is off topic. :P