Who said "Gratitude is a debt that grows only by being paid."?

This quote is attributed to King Nereus.

Gratitude is a debt that grows only by being paid. - King Nereus

"Gratitude is a debt that grows only by being paid."

King Nereus Gratitude

"The sea does not forgive weakness, but it rewards those who respect its power."

"A king's greatest duty is to protect his people, not to rule over them."

"Love is the only force more powerful than the tides themselves."

"Wisdom comes from understanding that we are but part of something greater."

"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"