We are all in the gutter, but some of us are looking at the stars.

Sovereignty is not given, it is taken.

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

Listen to many, speak to a few.

Courage isn't having the strength to go on - it is going on when you don't have strength.

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

Alone we can do so little; together we can do so much.

No leader can be too far ahead of his followers.

A thing worth having is a thing worth cheating for.

If you can't you must, and if you must you can.

When you arise in the morning think of what a privilege it is to be alive, to think, to enjoy, to love ...

It's not whether you got knocked down; it's whether you get back up.

The greatest thing in the world is to know how to belong to oneself.

The starting point of all achievement is desire.

If you don't like the road you're walking, start paving another one.

Nothing great was ever achieved without enthusiasm.

If you get up in the morning and think the future is going to be better, it is a bright day. Otherwise, it's not.

We ask ourselves, who am I to be brilliant, gorgeous, handsome, talented and fabulous? Actually, who are you not to be?

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

One person with a belief is equal to a force of ninety-nine who have only interests.

Truth can be stated in a thousand different ways, yet each one can be true.