Success is on the other side of your comfort zone.
If you accept excuses from others, it's usually because you have accepted your own excuse.
You cannot expect your team to rise above your example.
Many times in life, those who do the most correcting, need the most correcting.
You will never realize success on the outside until you can see it clearly o the inside. Success is inside out.
Learn to use the criticism as fuel and you will never run out of energy.