well this question once in a while comes in everybody's mind from a child to senior adult but as we continue to grow understand and cultivate our knowledge and passes through the next generation who sees as a past shadow we mature and keep maturing until we die we have many perspective of how a life should be and what have I done to achieve it this question strucks and Peirce our mind from a stage of child as the era change as the matter change our own goals change because we don't know what, when, where and how to do own path build and as you take a step forward by your actions it builds a consequence which builds different passages down the road but to face the merciless demon that is the world you need to understand the functioning of it that with knowledge you need the power that can change the world you need the key to get by good means many people have given their life studying what is the purpose of life many great philosophers historians scientists and many more people have been studying for decades for this answer but they didn't know that their life purpose was to study this if only we could negotiate with everyone keeping aside our egoistic nature this society can once again live in harmony there will be no war millions of lifes will be saved because if a person dies his child and wife live is devastated the purpose of life is simple and nowadays you will get many people saying in this topic but everyone answer will no be the same as we mature and keep maturing until an age where we have many perspective of life and share our knowledge to the younger generation that is one purpose of life