To walk alone is easy

Look down;
concentrate on your feet and the ground.
Raise a foot, put in front of the other. Then raise the other one and so on.
Alright, now when you are comfortable with it, just keep walking, look around, see? You can actually walk without looking at the ground :-)
Oh it gets better -
Now look up, up in the sky, and walk, still on ground.
If you keep practicing this and with faith,
One day you realise you can actually fly.

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