Mark 13:31 (NKJV)
Many products we buy have a date included as to when the item should be used by. Normally this type of thing is seen on perishable items such as food, because a time will come when the product will expire and no longer be any good. Often you will see something like a date showing either when the product should no longer be eaten, or you might see a date given and a statement about how the product is best when used by that date. Being aware of the expiration date that something has is better than trying to eat or use something and finding out that the item is no longer usable or edible.
In the four Gospels we have a record of the things that Jesus did and said. Sometimes things are found in one Gospel that are not found in another and sometimes things are found in more than one Gospel account. One interesting verse is found repeated exactly the same in Matthew 24:25, Mark 13:31, and Luke 21:33. Jesus said that heaven and earth would pass away, but His words would not. Everything we see around us on this earth will one day come to an end, there is an expiration date. But, it is good to know that God's Word has no expiration date and will last forever!
Some people have the idea that somehow God and His Word may have worked in the past, but it does not work the same way today. Other people think that only certain people, like maybe the pastor, has an ability to access some of God's blessings while most people do not. God's power still works today and God's Word is as valid and effective today as it ever was. We need to simply find out what God has said to us in His Word, put our faith in what He has said, and act accordingly. God's Word will work the same for anyone, anywhere, anytime, and all the time! God's Word works and has no expiration date.