 Subsequently, in 1925, he went to Pekalongan, West Java to meet Sutan Mansur Ahmad Rashid, who was the chairman of the Muhammadiyah's Pekalongan branch at the time, and learnt more about Islam from him.While in Pekalongan, he stayed at his brother's house and started giving religious talks in some places.In his first wandering in Java, he claimed to have a new spirit in studying Islam.