Comfort is good yet it can kill great vision if not handled properly. Many people with great, powerful and transforming vision have jeopardized it because of uncontrolled comfort.
Many great visions have been aborted because of carelessness in comfort zones. The most dangerous killer of vision is comfort zone. It has power to make us lose the grip of focus on our God-given vision. When we become so relaxed and seems that we have lost the pursuit, passion and picture of the future, it is the beginning of aborting great vision. It is a sign of impending defeat. When nothing seems to put us on our toes again, there is tendency for us to lose the sight of what is ahead of us. We may settle for the available at the expense of the desirable. 
It is very disheartening that many people have lost their future to Mr. Comfort zone. They were once on their toes before pursuing aggressively a passionate vision, but now they have settled for the average where it seems they are enjoying a little comfort. This is the reason why God sometimes permits challenges in our lives. It is something natural for everyone to become less passionate, concerned, focused and remains insistent in the midst of comfort.
Comfort sometimes makes us to drop the practice of discipline needed to achieve the pursuit of great vision. As soon as we allow this, it becomes very difficult for us to keep in perspective the vision of our glorious future. This little drifting is what led most visionaries and people with great expectation of a beautiful future into defeat.
God wants us to be comfortable. But He does not want us to lose our future to temporal comfort. He wants us to have comfort but not that comfort should have us. He has great plans for our future far beyond what we see or enjoy in the present.
We must strive not to allow the comfort of life blindfold us towards the vision God has given to us. This can be achieved when we understand why God sometimes bring relief to us as we pursue His vision for our lives.
The relief or comfort we may receive on our journey is meant to encourage us along the way. It comes to let us know that God is still with us and to keep us vibrant and active in the pursuit of that vision.
God knows our human frailty and limitations. He knows there is an extent to which we can cope under suffering. Therefore, he always bring to us temporal relief and comfort to cheer us up along the way.
 I have also realized that God uses this temporal comfort sometimes to weigh our level of faithfulness, trust and obedience, to see if we will not disappoint Him in the midst of comfort.
A good illustration of this is Joseph. He was a young man when he had the dream of his future. But he was tried with both suffering and temporal and passing comfort.
          When he first got to Egypt as a slave boy, he was purchased by Potiphar, the captain of the guard for Pharaoh. Because of God’s favour, Potiphar noticed that Joseph succeeded in everything he does. This pleased Potiphar and made Joseph second to him in everything except his wife.
This was the comfort brought to Joseph. It is now left for him to either abort God’s future plans for him through this comfort or hold tightly to God he looked upon to fulfill his dream. In fact, this is the point where many people usually miss the future, when they are tested with temporal honour, promotion, provision and little comfort.
Likewise, the young Joseph came to this point. Sooner than he got to the point of comfort, devil let loosed his missiles against him in order to abort god’s vision for his future.
Potiphars wife soon began to look at him lustfully. “Come and sleep with me,” she demanded.
But Joseph refused. “Look,” he told her, “my master trusts me with everything in his entire household. No one here has more authority than I do. He has hold back nothing from me except you, because you are his wife. How could I do such wicked thing? It would be a great sin against God. She kept putting pressure on Joseph day after day, but he refused to sleep with her, and he kept out of her way as much as possible (See genesis 39:7-10 NLT).