Alfred quote — “The old order changeth yielding place to new and God fulfills himself …”

Quote

The old order changeth yielding place to new and God fulfills himself in many ways.

Alfred Lord Tennyson creating positive change

Toba Beta Betelgeuse Incident: Insiden Bait Al-Jau… change new old

Sam Selvon emotions feelings longing love realisation

Length times width e.g.

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Hint 1 meaning

The superficial contents of any figure; the surface included within any given lines; superficial extent; as, the area of a square or a triangle.

Hint 2 anagram

RAEA

Hint 3 another clue

CERTAIN BRAIN SIZE

6 +1