Coming to Zero Again

[...] We often feel that the flow of phenomena rolls on by itself.  No one is doing anything; it all just happens.  We see more deeply the empty, insubstantial nature of phenomena.  The beautiful appearance of a rainbow exemplifies this meaning of emptiness.  We see a rainbow in the sky and often feel a moment's thrill.  Yet on another level, no "thing" called rainbow really exists.  It is an appearance due to certain conditions that themselves are continuously transforming.  Can we live on both these levels at once, engaging in the world of appearances with the freeing wisdom of emptiness?