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At the World's other end 
Reaching from the shade
A slim delicate hand
Languidly made
A stirring motion 
In the sea
Which crossed oceans 
To land near me,
She never knew
How far it went
Or how strong it could be
When finally spent.
I sat there
Feeling brave
It could have turned
To a tidal wave
Gravity having
Increased its notion
As it surged 
Across that ocean.
A tiny ripple
Can scatter sand
When it breaks
On the land.
Cause and effect 
We can't always know
We plant a seed to
Maybe watch a tree grow