Friends depart, and memory takes them
To her caverns, pure and deep. – Thomas Haynes Bayly

They may forget what you said, but they will never forget how you made them feel. – Carl W. Buechner

Memory is the cabinet of the imagination, the treasury of reason, the registry of conscience, and, the council chamber of thought. – Basile

And even if you were in some prison, the walls of which let none of the sounds of the world come to your senses — would you not then still have your childhood, that precious, kingly possession, that treasure-house of memories? – Rainer Maria Rilke