Your success and happiness lies in you. Resolve to keep happy, and your joy and you shall form an invincible host against difficulties.

The great secret of true success, of true happiness, is this: the man or woman who asks for no return, the perfectly unselfish person, is the most successful.

Don't find fault, find a remedy; anybody can complain

Determine never to be idle. No person will have occasion to complain of the want of time, who never loses any. It is wonderful how much may be done, if we are always doing.

If you don't like something, change it. If you can't change it, change your attitude. Don't complain.

You get in life what you have the courage to ask for.

Patience is bitter, but its fruit is sweet.

I don't care what people think or say about me, I know who I am.

I'll try anything once, twice if I like it, three times to make sure.

Human dignity consists in the role we must play in our own perfection. Taking a role in our own self-completion is the highest expression of our creativity.

People don't realize how a man's whole life can be changed by one book.

Humans have come into being for the sake of each other, so either teach them, or learn to bear them.

Sovereignty is not given, it is taken.

The biggest adventure you can ever take is to live the life of your dreams.

Believe you can and you're halfway there.

You have to dream before your dreams can come true.

I am the captain of my soul.

It's all to do with the training: you can do a lot if you're properly trained.

Question with boldness even the existence of God; because, if there be one, he must more approve of the homage of reason than that of blindfolded fear.

Imagination will often carry us to worlds that never were, but without it we go nowhere.

I can never stand still. I must explore and experiment. I am never satisfied with my work. I resent the limitations of my own imagination.