Reminds me of some lines in the final stanza of Tennyson's Ulysses: Tho' much is taken, much abides; and tho' / We are not now that strength which in old days

Reminds me of some lines in the final stanza of Tennyson's Ulysses: Tho' much is taken, much abides; and tho' / We are not now that strength which in old days / Moved earth and heaven, that which we are, we are;