The Life Is Going On ... I Am Still Thinking ......

Hello Friends , I am manish parihar..
i am a software developer and i am also working on deep things like origin of universe . etc but i am still thinking how the
universe get in origin and i think this also what is the meaning of the all things they are going on our environment .
why ? we all are living . what is the meaning of our life....

i found that the good work done by us they will help us .
but i am still unable to find how the universe origin . most of people say because of big bang universe came into force.
i am still finding how big bang done because there is nothing how big bang done ..

i m finding hope .. you all this on this if anyone know answer me ... i try my best