Fourth, a fully self-conscious and developed trinitarian theology is indispensible for the future progress of evangelism and missions. We find ourselves face to face with a militantly resurgent Islam. I find it hard to see how Islam, or any religion based on belief in a unitary god, can possibly account for human personality, or explain the diversity-in-unity of the world. Is it surprising that Islamic areas are associated with monolithic and dictatorial political systems?25 If the Christian faith