What is the meaning of no man is an island?

What is the meaning of no man is an island? No man is an island is a phrase from a longer, often quoted literary work. The phrase no man is an island means that no one is truly self-sufficient, everyone must rely on the company and comfort of others in order to thrive.

What is the overall message of the poem No man is an island? The main theme of this poem is community – that humans cannot live in isolation from each other. This is demonstrated by lines 1 and 3: the speaker says that no humans live separated from others (island), but all humans belong to one large collective (continent).