You're proving my point for me: "At age ten, he stumbled across a Latin copy of Euclid; and at twelve he studied Newton's Arithmetica Universalis. He moved on

You're proving my point for me: "At age ten, he stumbled across a Latin copy of Euclid; and at twelve he studied Newton's Arithmetica Universalis. He moved on to read the Principia, and by age 16 he had covered much of it, as well as some more recent works on analytic geometry and the differential calculus." (from the Wikipedia article about Hamilton).