Having a positive mental attitude is asking how something can be done rather than saying it can't be done.
Character is the result of two things: mental attitude and the way we spend our time.
character, result, mental attitude
Happiness is an attitude of mind, born of the simple determination to be happy under all outward circumstances.
My general attitude to life is to enjoy every minute of every day. I never do anything with a feeling of, 'Oh God, I've got to do this today.'
general attitude, oh god, attitude
Ability is what you're capable of doing. Motivation determines what you do. Attitude determines how well you do it.