There are certain actions taken by these generational blessers that made their influence to last many centuries. If we want to be generational blessers, then, we need to follow the footsteps of these men of influence in their generation and beyond.
Romans 4:3 "for what saith scripture? Abraham believed God and it was counted unto hom for righteousness- KJV.
Abraham was a man that will do the will of God at all cost. An unregeneratd mind cannot obey God. A man that is not regenerated ( not born again) cannot have eyes of the Spirit.
Roman 4:17 As it is written, I have made thee a father of many nations,) before him whom he believed, even God, who quickeneth the dead, and calleth those things which be not as though they were.- KJV