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The roots of the grass strain, Tighten, the earth is rigid, waits-he is waiting- And suddenly, and all at once, the rain!

Archibald MacLeish (1985). “Collected Poems, 1917-1982”, p.103, Houghton Mifflin Harcourt
The roots of the grass strain, Tighten, the earth is rigid, waits-he is waiting- And suddenly, and all at once, the rain!