Who said "To forget a kindness is to be unkind."?

This quote is attributed to Al-Ghazali.

To forget a kindness is to be unkind. - Al-Ghazali

"To forget a kindness is to be unkind."

Al-Ghazali Gratitude

Theologian-Philosopher Persian 1058–1111

"Knowledge is the life of the mind."

"The ink of the scholar is more holy than the blood of the martyr."

"Whoever knows himself knows his Lord."

"The greatest blessing after health is a faithful friend."

"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"