Many ideas grow better when transplanted into another mind than in the one where they sprang up.

A thought rarely reaches its full shape in the head that first had it. The person who originates an idea is too close to it. They know its pet assumptions and its blind spots so well that they stop seeing them. Another mind brings different experiences, habits and questions, and so acts like fresh soil: it may reveal uses the originator never imagined, strip away what was only a private quirk, or join the idea to something unexpected. The image is agricultural, and it suggests that ideas are living things shaped by where they grow.

This fits the spirit of conversation that Oliver Wendell Holmes, the nineteenth-century physician and essayist, was known for, and the long tradition that treats thinking as a shared, social craft rather than a solitary act. I can't point to the exact source of the line, so treat the attribution with a little caution.

Today, imagine you have a rough plan for a neighborhood project, or the draft of an essay. Instead of polishing it alone, hand it to a friend from a different background and ask what they see. Their confusion or enthusiasm may show you what the idea was really about.