We are citizens of the world. The tragedy of our times is that we do not know this.

The only way of finding the limits of the possible is by going beyond them into the impossible.

To myself I am only a child playing on the beach, while vast oceans of truth lie undiscovered before me.

If my mind can conceive it, and my heart can believe it - then I can achieve it.

Today I shall behave, as if this is the day I will be remembered.

To see me does not necessarily mean to see my face. To understand my thoughts is to have seen me.

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

I am the lizard king. I can do anything.

In a day, when you don't come across any problems - you can be sure that you are travelling in a wrong path.

When obstacles arise, you change your direction to reach your goal; you do not change your decision to get there.

Life is 10 percent what happens to you and ninety percent how you respond to it.

I confess that in 1901 I said to my brother Orville that man would not fly for fifty years.

When I'm inspired, I get excited because I can't wait to see what I'll come up with next.

If you can't feed a hundred people, then just feed one.

Wealth is not about having a lot of money; it's about having a lot of options.

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

The unexamined life is not worth living.

Don?t only practice your art, but force your way into its secrets, for it and knowledge can raise men to the divine.

If you paint in your mind a picture of bright and happy expectations, you put yourself into a condition conducive to your goal.

Work gives you meaning and purpose and life is empty without it.

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