What is the central argument in Nobel Lecture?

The central argument in the Nobel Lecture is that scientific research should be motivated by a desire for knowledge and understanding, rather than by the pursuit of practical applications or financial gain. He argues that the most important scientific discoveries are often made by scientists who are driven by their curiosity and passion for their work, and that these discoveries can lead to unexpected and transformative benefits for society. He also emphasizes the importance of collaboration and communication between scientists, and encourages scientists to share their findings and ideas openly in order to accelerate scientific progress.