Who said "The kindest act is often the one done without witness."?

This quote is attributed to Dante Gabriel Rossetti.

The kindest act is often the one done without witness. - Dante Gabriel Rossetti

"The kindest act is often the one done without witness."

Dante Gabriel Rossetti Kindness

Poet Painter English 1828–1882

"The worst moment for the atheist is when he is really thankful and has nobody to thank."

"Work without hope draws nectar in a sieve, and hope without an object cannot live."

"I have been here before, but when or how I cannot tell."

"Love is the last thing in the world the world will understand."

"A good man treats his wife with respect."

"Kindness always comes back around."

"The power of a smile can change everything."

"Kindness is weakness to some. Not to me."