In the Parable of the Ten Virgins, the wedding trumpet sounds at midnight, long after anyone would have expected. The bridesmaids, who are all asleep, scramble to get to their places. In the process, five of the bridesmaids realize they are out of oil and miss the procession to the wedding feast entirely. Procuring oil at that time of night was nearly impossible, but when they finally had what they needed they went to the groom's home to join the wedding feast. To their surprise, they were turned away because, as the groom explained, "Ye know me not" (JST Matthew 25:11).
Of course, we are represented by the bridesmaids in the parable and the Lord is the groom. We can prepare for his second coming as we reflect his light and walk a procession of covenants that lead us back to him. To enter into his kingdom and the place prepared for us and his church, we must come to know "the only true God, and Jesus Christ, whom [he] hath sent" (John 17:3).
We learn about God the Father and His Son, Jesus Christ, through scripture study and the words of living prophets. These are the map. As we follow their counsel, we will find the treasure of truly knowing God through our actions.
We become familiar to him as we serve others (Mosiah 2:17). As we exercise the faith to repent and make covenants, we become his sheep and are known of him and learn to recognize his voice (Mosiah 26:21-27, John 10:14). In doing the Lord's will, which we often learn through quiet revelations to our mind and heart, we prepare our light for the procession back to His heavenly kingdom (Mosiah 5:13-15, 3 Nephi 14:21-23).
We do not know the day nor the hour when the Son of God will return; but through faithful, covenant action we can be prepared to hear his voice and be known of him.