Mental Strength Quotes

You can never be free until you develop the mental strength to stop fretting over things you cannot control.

I have so much respect for people in the service. The mental strength it takes to do what they do is unbelievable.

To create something you must be something.

I should say that mental strength is No. 1, experience [is] No. 2, physical strength is No. 3, and genetic ability that you're getting from Mother Nature probably comes after.

Mental strength is what separates champions from near champions.