Just one quote by Stevie Smith
Florence Margaret Smith, known as Stevie Smith (20 September 1902 – 7 March 1971), was an English poet and novelist. She won the Cholmondeley Award and was awarded the Queen's Gold Medal for Poetry. A play, Stevie by Hugh Whitemore, based on her life, was adapted into a film starring Glenda Jackson.
I was much further out than you thought
And not waving but drowning.
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The author info is from Wikipedia, licensed under the GNU Free Documentation License.
The original picture is by Akshay Nagaraju B, CC BY-SA 4.0, via Wikimedia Commons and may have been cropped and converted to greyscale.