Despite the challenges and sacrifices he faces as a missionary, Dr. Nichols initially displays a sense of purpose and dedication to his mission. However, as the story unfolds, readers gain insight into his growing disillusionment with his work. He begins to question the effectiveness of his research and medical efforts and becomes increasingly frustrated by the cultural and linguistic barriers that hinder communication with the local people.
His morale and enthusiasm further deteriorate when he learns that his research funds are being diverted to other projects considered more politically beneficial. Feeling disillusioned and defeated, he decides to abandon his mission and return to England.
"A String of Beads" highlights the struggles and internal conflicts faced by individuals committed to humanitarian causes. It explores the challenges of maintaining one's ideals and sense of purpose when confronted with obstacles, limitations, and a perceived lack of progress. Through Dr. Nichols' journey, Maugham raises questions about the nature of humanitarian work and the toll it can take on those involved.