Stand up to your obstacles and do something about them. You will find that they haven't half the strength you think they have.

Listen to many, speak to a few.

I'm not telling you it's going to be easy - I'm telling you it's going to be worth it.

Perseverance is failing 19 times and succeeding the 20th.

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

Accept whatever comes to you woven in the pattern of your destiny, for what could more aptly fit your needs?

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.

Storms make trees take deeper roots.

Status quo, you know, is Latin for 'the mess we're in'.

The greatest accomplishment is not in never falling, but in rising again after you fall.

The key to immortality is first living a life worth remembering.

There is always room at the top.

I seldom end up where I wanted to go, but almost always end up where I need to be.

Change your thoughts and you change your world.

You're never as good as everyone tells you when you win, and you're never as bad as they say when you lose.

Let yourself be silently drawn by the stronger pull of what you really love.

If you spend too much time thinking about a thing, you'll never get it done.

There are no traffic jams on the extra mile.

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.

Surround yourself only with people who are going to take you higher.

Don't ever take a fence down until you know why it was put up.