Whatever you are, be a good one.

Be yourself, let you come through.

Never let the future disturb you. You will meet it, if you have to, with the same weapons of reason which today arm you against the present.

Listen to many, speak to a few.

Any book that helps a child to form a habit of reading, to make reading one of his deep and continuing needs, is good for him.

Do not look for approval except for the consciousness of doing your best.

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

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

This is one small step for a man, one giant leap for mankind.

Others have seen what is and asked why. I have seen what could be and asked why not.

I don't think necessity is the mother of invention. Invention ... arises directly from idleness, possibly also from laziness. To save oneself trouble.

There is no passion to be found playing small - in settling for a life that is less than the one you are capable of living.

Diligence is the mother of good fortune. And idleness, its opposite, never brought a man to the goal of any of his best wishes.

There is nothing in a caterpillar that tells you it's going to be a butterfly.

A painter should begin every canvas with a wash of black, because all things in nature are dark except where exposed by the light.

If you can dream it, you can do it.

The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.

Stop acting so small. You are the universe in ecstatic motion.

Write it on your heart that every day is the best day in the year.

Argue not concerning God,re-examine all that you have been told at church or school or in any book, dismiss whatever insults your soul

The only way of discovering the limits of the possible is to venture a little way past them into the impossible.