A positive attitude may not solve all your problems, but it will annoy enough people to make it worth the effort.
Herm Albright

What we are today comes from our thoughts of yesterday, and our present thoughts build our life of tomorrow: Our life is the creation of our mind.
Buddha

People become really quite remarkable when they start thinking that they can do things. When they believe in themselves they have the first secret of success. 
Norman Vincent Peale

Better to do something imperfectly than to do nothing flawlessly.
Robert Schuller

To begin to think with purpose is to enter the ranks of those strong ones who only recognize failure as one of the pathways to attainment.
James Allen - New Zealander Statesman

I was going to buy a copy of "The Power of Positive Thinking", and then I thought: What good would that do?
Ronnie Shakes - comedian

A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.
Winston Churchill

There is little difference in people, but that little difference makes a big difference. The little difference is attitude. The big difference is whether it is positive or negative.
W. Clement Stone

Positive thinking will let you do everything better than negative thinking will.
Zig Ziglar

Within you is the divine capacity to manifest and attract all you desire.
Wayne Dyer

There would be nothing to frighten you if you refuse to be afraid.
Gandhi

Make the best use of what is in your power, and take the rest as it happens.
Epictetus

If we are not responsible for the thoughts that pass our doors, we, at least, are responsible for those which we admit and entertain.
Charles H. Newcomb

The world is a looking glass, and gives back to every man the reflection of his own face.
William Thackeray

Better keep yourself clean and bright; you are the window through which you must see the world.
George Bernard Shaw