«Nothing can stop the man with the right mental attitude from achieving his goal; nothing on earth can help the man with the wrong mental attitude.» (inc.com)
Positive mental attitude is the right mental attitude in all circumstances. (success.com)
Kozzer has what is known as a chronic injury that is not going to go away, Per has announced that he will retire soon, and although he has the right mental attitude to play, his physical decline has continued as was clear in the pre-season and he is unlikely to be able to play regularly — and both are getting older. (arsenalarsenal.net)