Past...when you get older....is important to remember ....
When you focus about today and the next day to come....you may forget your past for an instant....
Humanity...when you are a child ...studying HISTORY.....what's the first thing you think about ?
War ...inegality ...more war ....malnutrition...thief ....migration...religion ...blood...racism...money...gold....
Peace is the wish of every human being ...since forever....to find peace and love is the main goal for our specy ....are we suppose to find ...to deserve peace and love?
You have a minor grammatical mistake in the following sentence:
It should be you're a instead of your a.Thanks