Here are the quotes on attitude.

Humor is a means of obtaining pleasure in spite of the distressing effects that interface with it.

Sigmund Freud

He who has a why to live for can bear almost any how.

Fredrich Nietzsche

Gladly accept the gifts of the present hour.

Horace

It is our attitude at the beginning of a difficult undertaking which more than anything else, will determine its outcome.

William James

Don't let what you cannot do interfere with what you can do.

John Wooden

When one door of happiness closes, another opens; but often we look so long at the closed door that we do not see the one which has been opened for us.

Helen Keller

You play the hand you're dealt. I think the game's worthwhile.

Christopher Reeve

Human beings, by changing the inner attitudes of their minds, can change the outer aspects of their lives.

William James

The greatest discovery of my generation is that a human being can alter his life by altering his attitudes of mind.

William James

A strong positive mental attitude will create more miracles than any wonder drug.

Patricia Neal

Weakness of attitude becomes weakness of character.

Albert Einstein

Ability is what you're capable of doing. Motivation determines what you do. Attitude determines how well you do it.

Lou Holtz

Adopting the right attitude can convert a negative stress into a positive one.

Dr. Hans Selye

Any fact facing us is not as important as our attitude toward it, for that determines our success or failure. The way you think about a fact may defeat you before you ever do anything about it. You are overcome by the fact because you think you are.