Flower in the Crannied Wall
Tennyson, Alfred, Lord (1809-1892)

Flower in the crannied wall,
I pluck you out of the crannies,
I hold you here, root and all, in my hand,
Little flower--but  if  I could understand
What you are, root and all, and all in all,
I should know what God and man is.

Immortal Poems of the English Language (Williams)