Musa studied Egyptian civilization upon his return to Egypt in 1908. In 1909 he moved to England to improve his knowledge of the English language, and briefly studied law at Lincoln's Inn. In England, socialism was on the rise as well as ideas of Social Darwinism, Musa had a lot of interactions with members of the Fabian Society and became a member in July 1909. Musa embraced Fabian ideas of getting rid of the landed classes and empowering the peasant the ideas, and wanted to realize them in Egypt.