This quote is written / told by Diane Ackerman somewhere between October 7, 1948 and today. He/she was a famous Poet from USA.
The author also have 9 other quotes.
"Rest is not idleness, and to lie sometimes on the grass under trees on a summer's day, listening to the murmur of the water, or watching the clouds float across the sky, is by no means a waste of time"