"Let me know how your lives are coping with your new venture, and don't forget, when the going gets tough, (as it will) go and watch the monkeys in the park for half an hour."

Sometimes when you're feeling important,
Sometimes when you're ego's in bloom,
Sometimes when you take it for granted
You're the best qualified in the room.
Sometimes when you think that you're going
Will leave an unfillable hole,
Just follow this simple instruction
And see how it humbles your soul.

Take a bucket anfd fill it with water,
Place your hand in it up to the wrist.
Pull it out, and the hole that's remaining
Is a measure of how you'll be missed.
You may splash all you please as you enter,
You can stir up the water galore.
But stop and you'll see find in a minute
It looks just the same as before.

The moral of this quaint example
Is do the best that you can
Be proud of yourself but remember
There's no indispensable man.