"I count myself fortunate to be able to contribute to this work; and the great interest which the Royal Swedish Academy of Sciences has shown in my work and the recognition that it has paid to my past successes, convince me that I am not on the wrong track"

Pieter Zeeman is revealing his thankfulness for the acknowledgment he has received from the Royal Swedish Academy of Sciences for his work. He is humbled by the Academy's interest in his work and the recognition of his past successes. He is happy for the opportunity to contribute to the work and is confident that he is on the best course. This quote is a testimony to Zeeman's devotion to his work and his gratitude for the recognition he has received. It is likewise a tip of the significance of recognizing the hard work of others and the value of collaboration. Zeeman's quote is a reminder that success is often the result of effort, devotion, and collaboration.