Who said "Gratitude transforms abundance into more abundance."?

This quote is attributed to William Astor.

Gratitude transforms abundance into more abundance. - William Astor

"Gratitude transforms abundance into more abundance."

William Astor Gratitude

Merchant & Real Estate American 1763–1848

"Wealth is the means, not the end."

"The only true legacy is the impact we leave on others."

"Fortune favors those who dare to act."

"A man's character is his fate."

"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"