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

Never stand begging for what one has the power to earn.

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

Learn from yesterday, live for today, hope for tomorrow.

You have to make the rules, not follow them.

I believe that if you show people the problems and you show them the solutions they will be moved to act.

When you're at the end of your rope, tie a knot and hold on

If we go down into ourselves, we find that we possess exactly what we desire.

Be miserable. Or motivate yourself. Whatever has to be done, it's always your choice.

I may not have gone where I intended to go, but I think I have ended up where I needed to be.

Life isn't about finding yourself. Life is about creating yourself.

To succeed in your mission, you must have single-minded devotion to your goal.

To attain the impossible, one must attempt the absurd.

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

My mission in life is not merely to survive, but to thrive; and to do so with some passion, some compassion, some humor, and some style

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

The real man smiles in trouble, gathers strength from distress, and grows brave by reflection.

And, when you want something, all the universe conspires in helping you to achieve it.

Whatever the mind of man can conceive and believe, it can achieve.

You must never be fearful about what you are doing when it is right.

It's not the load that breaks you down, it's the way you carry it.