Another favourite of mine from Yeats.....

He wishes for the cloths of heaven

Had I the heavens' embroidered cloths,
Enwrought with golden and silver light,
The blue and the dim and the dark cloths
Of night and light and the half-light,
I would spread the cloths under your feet:
But I, being poor, have only my dreams;
I have spread my dreams under your feet;
Tread softly, because you tread on my dreams.

        -- William Butler Yeats