一沙一世界，一叶一乾坤

沙中世界原模样，
野地闲花窥奥堂。
无限全凭君手握，
须臾却是永恒长。

To see a world in a grain of sand,
And a heaven in a wild flower,
Hold infinity in the palm of your hand,
And eternity in an hour.

                          --- 摘自"Auguries of Innocence" of William Blake