"It is very kind of you to consider the possibility of my working in Pasadena, an idea which certainly is attractive, especially since it would hold out the prospect of your cooperation or advice"

In this quote, Karl Landsteiner is expressing his gratitude for the possibility of working in Pasadena. He acknowledges that the concept is attractive, particularly considering that it would enable him to take advantage of the cooperation and advice of the individual he is speaking with. This quote reveals Landsteiner's appreciation for the chance and his desire to team up with the other individual. It also shows his enthusiasm for the possibility of working in Pasadena and his passion to make the most of the resources available to him. Landsteiner's words show his gratitude for the consideration and generosity of the other person, and his desire to take advantage of the chance.