That's what's so stupid about the whole magic thing, you know. You spend twenty years learning the spell that makes nude virgins appear in your bedroom, and then you're so poisoned by quicksilver fumes and half-blind from reading old grimoires that you can't remember what happens next.

Meaning: Your own mistakes can teach caution, but another person’s experience may offer the same lesson without the same cost. Listen for relevant lessons before repeating an avoidable error.

Meaning: Someone's belief may have been produced by what they want to be true, rather than by good evidence that it is true.

Meaning: The rhyme presents a spring ague as medicine fit for a king. It gives a feverish illness a surprising positive value rather than simply treating it as misfortune.

Meaning: The saying treats apples, eggs and nuts as acceptable after someone it calls a slut. It uses a demeaning label while making an unverified claim about food handled by another person.