The fates but only spin the coarser clue;
The finest of the wool is left for you. [ John Dryden ]

The poet's delicate ear hears the far-off whispers of eternity, which coarser souls must travel towards for scores of years before their dull sense is touched by them. [ Oliver Wendell Holmes ]

Wisdom is a fox who, after long hunting, will at last cost you the pains to dig out; it is a cheese, which, by how much the richer, has the thicker, the homlier, and the coarser coat; and whereof to a judicious palate, the maggots are best. It is a sack posset, wherein the deeper you go, you'll find it the sweeter. Wisdom is a hen, whose cackling we must value and consider, because it is attended with an egg. But lastly, it is a nut, which, unless you choose with judgment, may cost you a tooth, and pay you with nothing but a worm. [ Swift ]