When I was a child, I thought inof a idealized future where people they had all their problems solveded. When I was a child, I thought of a idealized future where people had all their problems solved.

When I was a child, I thought in adreamt and idealizsed a future where people they had all their problems solveded. When I was a child, I dreamt and idealised a future where people had all their problems solved.

People wasould be happy , too, the society wasould be fair, and where the technology wasould working to serve personsople. People would be happy, society would be fair, and technology would work to serve people.

Because you are talking about a hypothetical future, I changed the verb tense from "was" to "would be".

People wasere happy , too, the society was fair, and where the technology was working to serve personsthe people. People were happy, too, society was fair and technology was working to serve the people.

Unfortunately, now Imy opinion haves changed of opinion. Unfortunately, now my opinion has changed.

Re-worded sentence to sound more natural.

Unfortunately, now I have changed of my opinion. Unfortunately, now I have changed my opinion.

I think that thehuman being human iss are self-destructive and will not stop until to bhey are extinct completely. I think that human beings are self-destructive and will not stop until they are extinct completely.

I think that the being human is self-destructive and will not stop until to be extincthey are completely extinct. I think that the being human is self-destructive and will not stop until they are completely extinct.

I don't have fear, rather, I feel sorryow seeing where the humanity is directedgoing. I don't have fear, rather, I feel sorrow seeing where humanity is going.

I don't have fear, rather, I feel sorry seeing where the humanity is directed. I don't have fear, rather, I feel sorry seeing where humanity is directed.