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Go not to the Elves for counsel, for they will say both no and yes. Elves seldom give unguarded advice, for advice is a dangerous gift, even from the wise to the wise, and all courses may run ill.

J.R.R. Tolkien (2012). “The Lord of the Rings: One Volume”, p.69, Houghton Mifflin Harcourt
Go not to the Elves for counsel, for they will say both no and yes. Elves seldom give unguarded advice, for advice is a dangerous gift, even from the wise to the wise, and all courses may run ill.