Leaven or yeast makes dough rise. A little of it as compared to the quantity of flour, is required to transform a dense mass of dough into a well-risen loaf of bread. In like manner a little leaven of sin in the life of a single believer has the capacity to corrupt an entire congregation. Defilement of any kind should never be condoned in the Church of God. Beloved, the extent of the problem of little sin must never be underestimated. Little sin breeds big corruption.
Worldly pleasure is a fleeting experience and those that partake of it shall soon find themselves in the chambers of death. There is no profit for any man that seeks to enjoy life in this world to the detriment of his own soul. Those given to sinful pleasure are dead while they live: their love for pleasure is more than their love for God. Life in this world, no matter how sweet, is only for a brief moment.
The imagination of sinners is always vain and against God. Although, the Lord wanted them to multiply and fill the whole earth, the men of Babel imagined to build a city and a tower that will reach unto heaven. By their rebellious imagination, they wanted to dwell together in Babel that they may not be scattered abroad upon the face of the whole earth. Because their minds were not renewed, their deeds were evil, unacceptable and against the perfect will of God.
It is foolishness to strive with your Maker. Broken pieces of pottery may strive with themselves but the clay cannot argue with the potter about how it should be fashioned : "If one man sin against another, the judge shall judge him: but if a man sin against the LORD, who shall intreat for him?" - 1 Samuel 2:25a. Like a lump of clay every man should allow the Potter to do whatever He pleases with them.
The fact that many Churches are not preparing their members for the coming of the Messiah, is a strong indication that we are in the last days. Their worldly lives appear to be mocking the promise of His coming. They have forgotten that every word of God must surely come to pass at His appointed time. Jesus said, I will come again and receive you unto myself, that where I am, there ye may be also. At His ascension, the angels said, this same Jesus, which is taken from you into heaven, shall so come in like manner as ye have seen Him go into heaven.