Who said "Gratitude opens the door to greater blessings."?

This quote is attributed to Hugo Grotius.

Gratitude opens the door to greater blessings. - Hugo Grotius

"Gratitude opens the door to greater blessings."

Hugo Grotius Gratitude

Jurist Political Theorist Dutch 1583–1645

"War is the kingdom of accident."

"He who wishes to be obeyed must know how to command."

"Good faith is the foundation of justice."

"Fear is the parent of cruelty."

"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"