Unity indicates the infinite,duality the finite.The infinite is eternal,the finite,temporal.
Yes .. here is an article of interest shedding light on the infinitude of His Names and how they all indicate the source.
http://www.experiencefestival.com/a/Islam_and_Hinduism/id/50222 Once the prophet (PBUH) was in a room with some companions and in the adjacent room was a sick man.The man was groaning and the companions were concerned that the noise should not disturb the Prophet SAWS. so they said they were going to ask him to be quiet.The Prophet SAWS told them to leave him alone as even the groan of the sick man is one of the names of Allah.