Who said "Gratitude is a sign of nobility of soul."?

This quote is attributed to Juvenal.

Gratitude is a sign of nobility of soul. - Juvenal

"Gratitude is a sign of nobility of soul."

Juvenal Gratitude

Poet Satirist Ancient Rome 60–130

"Bread and circuses - that is what the people desire."

"Nothing is so unbelievable that oratory cannot make it acceptable."

"Who will guard the guards themselves?"

"Honesty is praised and starves."

"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"