People who say it cannot be done should not interrupt those who are doing it.

Courage is the thing. All goes if courage goes.

A Penny Saved is a Penny Earned

Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.

The secret to creativity is knowing how to hide your sources.

We cannot solve our problems with the same thinking we used when we created them.

Be happy, but never satisfied.

The men who have succeeded are men who have chosen one line and stuck to it.

Character isn't something you were born with and can't change, like your fingerprints. It's something you weren't born with and must take responsibility for forming.

Don't complain about the snow on your neighbor's roof when your own doorstep is unclean.

If you're not prepared to be wrong, you'll never come up with anything original.

Keep your eyes on the stars, and your feet on the ground.

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

To See a World in a Grain of Sand And a Heaven in a Wild Flower, Hold Infinity in the palm of your hand And Eternity in an hour.

Yesterday is gone. Tomorrow has not yet come. We have only today. Let us begin.

Strength of mind rests in sobriety; for this keeps your reason unclouded by passion.

Your talent determines what you can do. Your motivation determines how much you are willing to do. Your attitude determines how well you do it.

Weakness of attitude becomes weakness of character.

Imagination is everything. It is the preview of life's coming attractions.

Treat a work of art like a prince. Let it speak to you first.

I invented my life by taking for granted that everything I did not like would have an opposite, which I would like.