Pick your brain

Origin

The striking image behind "picking someone's brain" is centuries old, emerging in the mid-17th century when language was rich with earthy, physical metaphors. The word "pick" itself carries a long history of meaning to meticulously select, to separate, or even to pierce. When paired with the "brain"—the very seat of thought and knowledge—the phrase conjured a powerful, if slightly unsettling, mental picture. It was a vivid way to describe the careful, almost surgical, extraction of valuable insight or ideas from another person's mind, much like meticulously picking valuable morsels from a larger whole. This metaphor perfectly captured the era's growing intellectual curiosity, providing a punchy shorthand for tapping into someone's unique reservoir of wisdom.