I think for humanity, seeing their future is a very important thing, because if they don't see this, they're gettoing lost their selfto get lost. I think for humanity, seeing their future is a very important thing, because if they don't see this, they're going to get lost.

I don't know if this is intentional, but referring to humanity as 'they' implies that you are not part of humanity - which presumably you are. Despite this the sentence is grammatically correct. "I think about humanity, seeing our future is a very important thing, because if we don't see this, we're going to get lost." - this is what you would write if you were part of humanity.

I think for humanity, seeing theirone's future is a very important thing for people, because if they don't see this, they're getting lost their selflosing themselves. I think seeing one's future is a very important thing for people, because if they don't see this, they're losing themselves.

I think for humanity, seeing theiour future is a very important thing, because if theywe don't see this, they're getting lost thei we lose our self. I think for humanity seeing our future is very important, because if we don't see this we lose our self.

"we" as you are also part of humanity

I know what my future will be. I know what my future will be.

I know what my future willholds. I know what my future holds.

Some people don't understand this andwhich creates some problems forin their life. Some people don't understand this which creates some problems in their life.

Every humaperson has to choose a profession. Every person has to choose a profession.

"human" sounds like you are not a human, like an alien talking about us.

In reality, there is a lot of pressure from humanity is very heavy. In reality, there is a lot of pressure from humanity.

In reality, pressure from humanity is very heavy. In reality, pressure from humanity is very heavy.

Grammatically correct, but is not clear what is meant. Maybe: "In reality, there is a lot of pressure from others on what to choose."

Person,Someone who hasn't chosen a profession has to live with this pressure alone, while he or sthey sees his or their future. Someone who hasn't chosen a profession has to live with this pressure alone, while they see their future.

Rather than writing 'he or she' when the gender is unknown, just use 'they' since this is short and easier and means exactly the same.

Person,Somebody who hasn't chosen a profession has to live with this pressure alone, while he or she sees how his or her future turns out. Somebody who hasn't chosen a profession has to live with this pressure alone, while he or she sees how his or her future turns out.