Who said "Gratitude is the healthiest of all human emotions."?

This quote is attributed to James Blake.

Gratitude is the healthiest of all human emotions. - James Blake

"Gratitude is the healthiest of all human emotions."

James Blake Gratitude

Electronic R&B Producer British Born 1988 (age 38)

"Music is the universal language of mankind."

"Art washes away from the soul the dust of everyday life."

"The greatest glory in living lies not in never falling, but in rising every time we fall."

"In the middle of difficulty lies opportunity."

"Gratitude makes life richer."

"A grateful heart is a happy heart."

"Respect those who came before us."

"Life's greatest treasures are the people we love"