It is part of the title of a poem by english romantic poet William Wordsworth (1770 – 1850):
Ode: Intimations of Immortality from Recollections of Early Childhood
"Intimations of Immortality"-written by William Wordsworth-from Recollections of Early Childhood from Poems in Two Volumes (1807).its a amazing poem which had greatest effects on me when i was in childhood.