I thought of you and how you love this beauty,
And walking up the long beach all alone
I heard the waves breaking in measured thunder
As you and I once heard their monotone.

Around me were the echoing dunes, beyond me
The cold and sparkling silver of the sea --
We two will pass through death and ages lengthen
Before you hear that sound again with me.

Sara Teasdale

http://www.poemhunter.com/poem/i-thought-of-you/