Absurdly simple, like most riddles when you see the answer.

“Why must you speak your thoughts? Silence, if fair words stick in your throat, …”

“Sam looked at his master with approval, but also with surprise: there was a loo…”

“Indeed in nothing is the power of the Dark Lord more clearly shown than in the …”

“Arise, arise, Riders of Théoden!Fell deeds awake, fire and slaughter!spear shal…”