Eliot's late masterwork and his greatest sustained achievement: four meditations on time, place, memory, and salvation structured as music (thematic development, variation, recapitulation). Where The Waste Land is despair, Four Quartets is something harder to name: acceptance tinged with terror. "Little Gidding" ends with "And all shall be well and / All manner of thing shall be well." The most religious and the most honest of his major poems.

The case for it, the case against, and the rest of the canon open with Pro.