George Stephenson was born in 1781 to a poor family.He had to start working when he was only eight.When George was 14,he became his father's assistant.He spent a lot of time learning about engins.On holidays he often look an engine apart and studied each piece carefully.Soon he became a very good worker,though he could not read or write.He began to learn English letters when he was 17 years old.Every day after 12 hours of hard work,he walked a long way to take lessons from a young school teacher.On George's 18th birthday,he wrote his own name for the first time.George invented many things in his life.The train was the greatest invention among them.Today when we take trains from one place to another,we may think of this great man–George Stephenson.根据上文,判断对错。George spent a lot of time learning about farming.