The leaders in business and industry all have at least one thing in common - they are mentally strong. Mental strength is… — Bob Proctor Copy Share Image
My upbringing gave me a strong will, a mental aggressiveness in what I wanted to achieve. — Paul Tergat Copy Share Image
Strong mental agitation and disturbance was no novelty to him, even before his late sufferings. It never is, to obstinate and sullen… — Charles Dickens Copy Share Image
There's teams that have a lot of success in the back-to-back, and I think those teams just have a strong mental fortitude. — Joe Harris Copy Share Image
