Quintessence

Quintessence quin·tes·sence /kwinˈtes(ə)n(t)s/ Noun

the purest and highest essence of spirit

“For books are more than books, they are the life, the very heart and core of ages past, the reason why men lived and worked and died, the essence and quintessence of their lives.”

– Amy Lowell (1874-1925)