As Christians who are called to spread the Gospel and make disciples, knowing a person’s worldview makes all the difference. A worldview is someone’s core belief system. It is the foundation that supports a person’s morals, ethics, and overall outlook on life and the hereafter. For instance, Christianity would be considered a Theistic world view. Theists  believe that there is one God, the Creator of all. There are many other worldviews such as Deism, Naturalism, Nihilism, Existentialism, Eastern Pantheism, New Age Spirituality and Postmodernism. As Christians, we have to understand and know some basic information of other viewpoints.  We must understand them so that we can reason with them regarding the truth of God. We must have a starting point or an open door for communication in order the evangelize them. We are given an example of this situation in Acts 17:23:

23 for as I was passing through and considering the objects of your worship, I even found an   altar with this inscription:
TO THE UNKNOWN GOD.
Therefore, the One whom you worship without knowing, Him I proclaim to you:

In this verse, Paul reasons with Pagans concerning their unknown god in efforts to convert them to Christ. This concept is not new by any means. We must be aware of the viewpoints are in existence so that we can effectively do the work of the Master. In fact, it is only the worldview points of others that allow us to interact and converse with them. Luke 8:5-15 is the parable of the sower, which shows us that the heart that has to willing to accept the seed of the kingdom. This being the case, a person’s worldview is important because their belief is where their heart resides. We must understand where their heart lingers so we can reason and persuade them to turn their hearts to God. If we can understand them then we can change them, and if we change them we have changed their heart. The end result would mean that the person’s heart will no longer linger  aimlessly, but find rest in the Lord Jesus Christ.