“Discipline yourself and others won't need to.”

“Never make excuses. Your friends don't need them and your foes won't believe them.”

“Measure yourself by...what you have accomplished with your ability”

“Don't measure yourself by what you have accomplished, but by what you should have accomplished with your ability. ”

“‎"Consider the rights of others before your own feelings, and the feelings of others before your own rights.”

“You are not a failure until you start blaming others for your mistakes”

“Never try to be better than someone else. Learn from others, and try to be the best you can be. Success is the by-product of that preparation.”