Assertion: gratitude | /r/HasProperty | the mother of the virtues
Facets:
Source sentences:
text: Gratitude is the mother of the virtues.
text: Centuries ago, the philosopher Cicero argued that gratitude is the parent of all virtues, a virtue that begets other virtues.
text: Tsang theorized that gratitude is the parent of the virtues in their essay published in The Psychology of Gratitude.