Kalam's argument tries to demonstrate (1) that the existence of an actual infinite is impossible and (2) that even if it were possible, the universe itself is not actually infinite and therefore must have had a beginning. Like all cosmological arguments, the kalam cosmological argument is an argument from the existence of the world or universe to the existence of God. What distinguishes the kalam cosmological argument from other forms of cosmological argument is that it rests on the idea that the universe has a beginning in time. The Kalam Cosmological Argument is shown below:
(1) Everything that has a beginning of its existence has a cause of its existence. (3) The universe has a cause of its existence. (4) If the universe has a cause of its existence then that cause is God.
Therefore: (5) God exists.
The kalam argument has its roots in medieval Arabic philosophy and theology. The Arabic word kalam means "speech," but in a broader sense means "natural theology" or "philosophical theism." The cosmological argument for God's existence began with Plato and has since been both defended and attacked by many philosophers whom interpreted it their own way.
I personally both like and dislike Kalam's argument. I like that when carefully and fully thought through, the actual premises of the argument are brought together in the conclusion. I am able to see the steps of the argument very clearly and therefore it is easier for me to draw my own conclusions from them. My interpretation of the argument is that the universe did not begin on its own and therefore was caused by an outside force, that force being God. I think my main reason for disliking the argument is that I have already formed my own arguments for the existence of God and fear that it may contradict with what I believe. For me, looking out the window of an airplane at mountains of fluffy white clouds towering over one another with a crisp, bright sunset in the background is enough for me to believe in God. Seeing a sight as beautiful as that makes me believe that no one but God could create something that jaw dropping.
Sources Used:
The University of Buffalo
Possibility of An Actual Infinite Future
University of Colorado
Bill Ramey