Makes me think of Lao Tzu's words (don't ask which translation) sent to me by Dr. Juan:
Softness overcomes hardness.
The formless is greater than form.
I stumbled on Caitlin Schwerin's web page a short while back and instantly felt like she captured that quality and conveyed the same sensation. Like she says, "If you think trees don't dance. Well, you're wrong."
I wrote and asked her if I could post a few of her pieces here and she agreed (Thanks, Caitlin!). It ended up being more than a few, but it was hard enough narrowing it to these. Take a tour of her work. She does much more than trees, clouds, and openness, and does it well.