Make a difference

We all want (to)make a difference in life, but as individuals persons(מיותר) we underestimate our importance. ?After all, what can  one person change in the whole world

I think that as an individual we can do nothing, but as a group, we can do everything. Yet, how can we become a group if we haven't(ww.+gr.) individuals before? Any(ww.) person needs some goal in life, and when each individual unites with another individual with (a) similar goal they have become a group with one goal which does everything for this goal. A group consists of individuals. As a group, they can move things and make a difference.

To sum up, individuals can do nothing, but do a lot if they have goals. - This is not a concluding paragraph, it's one sentence that doesn't say much. You are also missing a whole paragraph. I'm afraid you'll have to better than that. This is not a complete essay. Please rewrite.

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Daphna