In our great hall there stood a vacant chair, Fashioned by Merlin ere he past away, And carven with strange figures; and in and out The figures, like a serpent, ran a scroll Of letters in a tongue no man could read. And Merlin called it "The Siege perilous," Perilous for good and ill; "for there," he said, "No man could sit but he should lose himself..."

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets "In our great hall there stood a vacant chair, Fashioned by Merlin ere he past away, And carven with strange figures; and in and out The figures, like a serpent, ran a scroll Of letters in a tongue no man could read. And Merlin called it "The Siege perilous," Perilous for good and ill; "for there," he said, "No man could sit but he should lose himself..."" in the context of "Alfred, Lord Tennyson, Idylls of the King, The Holy Grail" to mean that wisdom is timeless.