Our deepest fear is not that we are inadequate.
Our deepest fear is that we are powerful beyond measure.
It is our light, not our darkness
That most frightens us.

We ask ourselves
Who am I to be brilliant, gorgeous, talented, fabulous?
Actually, who are you not to be?
You are a child of God.

Your playing small
Does not serve the world.
There’s nothing enlightened about shrinking
So that other people won’t feel insecure around you.

We are all meant to shine,
As children do.
We were born to make manifest
The glory of God that is within us.

It’s not just in some of us;
It’s in everyone.

And as we let our own light shine,
We unconsciously give other people permission to do the same.
As we’re liberated from our own fear,
Our presence automatically liberates others.

The text above is from from the book A Return to Love by Marianne Williamson. It is often incorrectly attributed to Nelson Mandela and his inauguration speech.

If so inclined you can search Nelson Mandela’s speeches on the ANC’s official web site and see that the text is not there. Nelson Mandela had two inaugurationes speeches, Cape Town, 9 May 1994 and Pretoria, 10 May 1994.