Nibbāna is Nirodha-AriyaSacca.
Nirodha is finishing of arising and arising's causes.
Ariya is Ultimate Meditated People.
Sacca is Truth.
Recite and memorize DN MahāsatipatthānaSutta SaccaPabba in Pali everyday for more information.
Gratitude, right view, is actually the base for the prosperity and longlast of a community, from the Buddha's teachings, instructed might know Sangha-Vatthu:
Generosity (giving into first), kind words (bearable word, swollow-able), beneficial help (not necessary desired),
& consistency in the face of events (not bending to daily moods, trends),
in line ...