"And in another point of view, I think it is right that the address of a president should be on his own subject, and that different subjects should be thus brought in turn before the meetings"

This quote by Arthur Cayley suggests that the president of a conference need to address the topic at hand, which various subjects must be talked about in turn. This suggests that the president ought to not be speaking on topics unassociated to the meeting, which the topics ought to be gone over in an arranged manner. This is important for ensuring that the conference is productive which all subjects are talked about in a timely way. It likewise suggests that the president must be educated about the subjects being discussed, and must be able to offer insight and guidance on the subject. This quote stresses the significance of having actually an organized and efficient meeting, and recommends that the president must be well-versed in the subjects being gone over.