Do you all have them to fulfill your purpose in life? Or do you have them for them to fulfill their purpose in life?
I think we are engrossed by the fact that we have made so many mistakes and how we could raise someone else, who would not do those mistakes and hence be more successful.
Therefore here these two options need not be contradictory, you can have children pass on what you have learnt in life and they can go ahead to fulfill their own purpose of life.