“And being not weak in faith, he considered not his own body now dead, when he was about an hundred years old, neither yet the deadness of Sara’s womb:”
Faith is the key to living a blessed and productive Christian life. You will not do much for God without faith. Faith is the key that helps you to please God. Many people make a big deal about having a relationship with God, but it would be good to please the God who you have a relationship with; you will not do that without faith.
In the verse above, Abraham had a strong faith. If it is possible to have a strong faith, that means it is also possible to have a weak faith. Please understand that you cannot get to having a strong faith without first trying to strengthen your weak faith. Everyone who has a strong faith started with a weak faith; however, they didn’t settle with having a weak faith, but they desired and worked at building their faith, which caused them to have a strong faith. In verses 19-21, God shows the cause of a weak faith.
First, a flesh-focused life is the cause of a weak faith. Abraham “considered not his own body.” In other words, he didn’t base what he could do on his ability, but he based what he could do on God’s ability. You will never have a strong faith that enables you to do great things for God if everything you do for God is based on your abilities.
Second, reason-based decisions are the cause of a weak faith. If Abraham had reasoned what he would do for God, he would not have enjoyed his wife at his age, which resulted in him having a child. Reason said that he and Sarah were too old to have children; faith said that God could give them a child in their old age. Reason always has an excuse as to why God cannot do something in our day; faith says that nothing is impossible with God. You must stop using reason as a basis for your decisions and start letting faith make your decisions if you want God to do something mighty through your life.
Third, not believing in God’s promises is the cause of a weak faith. Abraham believed that God would keep His promise that He promised him several decades before; he never lost hope in God’s promises. My friend, you must believe that if God promised He would do something that He will do it. Faith is what keeps you believing in God’s promises no matter how unlikely it seems that God can do it. God’s promises need you to act in faith for them to become a reality in your life.
Fourth, a lack of giving God glory causes you to have a weak faith. The only reason you won’t give God the glory is because you are focused on your flesh and not on God. The more you focus on God, the greater God will seem to you; thus, it results in your mouth giving God the glory for all that He does through your life.
Fifth, a small vision is the cause of a weak faith. Verse 21 says, “And being fully persuaded that, what he had promised, he was able also to perform.” Abraham wasn’t partly persuaded, but he was “fully persuaded.” The greater your vision, the more you will need God; the more that you need God, the greater your faith will become. My friend, let me encourage you to force yourself to have a greater faith by getting a bigger vision and acting upon it. A great vision will produce a strong faith, which enables God to do great works through your life.