This classic poem by Alfred Lord Tennyson is a reflection on mortality and the journey of life. It speaks of the poet's desire to cross the metaphorical bar of death, and his acceptance of the inevitability of death. The poem is a reminder to make the most of life, as
From Wikipedia
"Crossing the Bar" is an 1889 elegiac poem by Alfred, Lord Tennyson. The narrator uses an extended metaphor to compare death with crossing the "sandbar" between the river of life, with its outgoing "flood", and the ocean that lies beyond death, the "boundless deep", to which we return.