You're almost there

But he hates space, he thinks it's an awful place, with nothing but a promise of misery and total torment, his own advice would be not to aspire to ever leave this world in fact, but rather to make suitable for living

There's no need for a second chance when there's still a first chance in the world there is here

And truly, to consider that any race or species would have the combined capability to do an emergency rescue to another entire planet is bizarre, it's never going to happen because it it simply impossible for the mortal worlds to have that kind of capability built up in that mannerism to a scale of 8 billion people

There is no second chance, that's imaginary fantasy

Humanity will either live or perish here

It's entirely optional to any person to change this

But to ever forget the fact above all

"The one" is a shitpost, there's no true hero above all others, even if there was a hero like that, he'd only be like that because a plethora of heros made him like that, or he did something of valor to that degree

The only way to save a world like this is a unity it may never achieve