The greatest discovery of my generation is that man can alter his life simply by altering his attitude of mind.

The greatest discovery of my generation is that human beings can alter their lives by altering their attitudes of mind.

Man can alter his life by altering his thinking.

The greatest discovery of our generation is that human beings can alter their lives by altering their attitudes of mind. As you think, so shall you be.

The response to 'The Greatest Generation' and the books that followed has been one of the most satisfying experiences of my life.

Human beings can alter their lives by altering their attitudes of mind.