Who said "Kindness is the only currency that grows when shared."?

This quote is attributed to Davidson, Donald.

Kindness is the only currency that grows when shared. - Davidson, Donald

"Kindness is the only currency that grows when shared."

Davidson, Donald Kindness

Philosopher American 1917–2003

"Thought is the essence of action"

"We cannot fully understand the world without understanding language"

"The mind is not separate from the body"

"Beliefs are not purely internal mental states"

"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."