Where does the quote show me the child at 7 and I'll show you the man come from?

The quote "Show me the child at seven and I'll show you the man" is often attributed to the British philosopher and educator William Wordsworth, though its precise origins are debated. The sentiment reflects the idea that early childhood experiences and development significantly shape an individual's character and behavior later in life. It underscores the importance of early education and upbringing in determining future outcomes.