Which notable figure said, "I'm a great believer in luck, and I find the harder I work, the more I have of it"?

The statement, "I'm a great believer in luck, and I find the harder I work, the more I have of it," is often attributed to Thomas Jefferson, particularly highlighting his views on the relationship between effort and success. Jefferson, the third President of the United States and a key figure in American history, emphasized the importance of diligence and perseverance in achieving one's goals. This quote encapsulates the idea that luck is not merely a matter of chance, but rather that it can be cultivated through hard work and determination. Jefferson's legacy includes his advocacy for education and self-reliance, aligning well with the sentiment expressed in this quote. The connection between effort and outcomes is a common theme in many of Jefferson's philosophies and writings.