Thomas Edison meets with a businessman and works on his inventions.

The transcript highlights Thomas Edison's remarkable achievements, including his prolific invention rate and record number of patents. It discusses his philosophy that genius is largely about hard work, as well as his persistence in conducting numerous experiments. Despite his many interests, Edison maintained a lifelong passion for the phonograph, which he considered his favorite invention.

In what way does Edison describe his patience and persistence?

What was Edison's favorite invention according to the text?