There is only one corner of the universe you can be certain of improving, and that's your own self.

Whatever you can do or dream you can, begin it. Boldness has genius, power and magic in it!

Only when I fall do I get up again.

In life, you need either inspiration or desperation.

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

It may have been in pieces, but I gave you the best of me.

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

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

Ability is what you're capable of doing. Motivation determines what you do. Attitude determines how well you do it.

It marks a big step in your development when you come to realize that other people can help you do a better job than you could do alone.

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

Plan your work - work your plan. Lack of system produces that 'I'm swamped' feeling.

If you think in terms of a year, plant a seed; if in terms of ten years, plant trees; if in terms of 100 years, teach the people.

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

It's the little details that are vital. Little things make big things happen.

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

Make today worth remembering.

You get in life what you have the courage to ask for.

Whatever you are, be a good one.

Do you want to know who you are? Don't ask. Act! Action will delineate and define you.

I am as bad as the worst, but, thank God, I am as good as the best.