Quote - You know, it's truly amazing how life seems to arise in a universe that is full of everything that could be hostile to it. I mean, with all the enormous  explosions, collisions, and extremes of every kind, why living things? It makes you wonder if life forms are just organized chemicals, or something else. Miniscule emulations of stars? Natural parasites of all the energy in the universe?  And where's the line of delineation between inert matter and life, and what sparks the crossing? Where's the logical explanation for 'why life?' Does it have any purpose other than proliferation? 

It's enough to make your head spin.

You gotta figure though, in spite of all the hostility "out there", it's such an enormous place that much of the condensed matter (planets, stars and such) is hugely isolated from other matter.
Not just that, but the time scales are so immense that there are billions of years that go by without anything seriously drastic happening that life has plenty of opportunity to arise and thrive.

Like our sun for example. It's been around for 4 or so billion years, like our planet has. Our planet spent its first BILLION  years as a completely inhospitable, violent place, but slowly changed enough to allow all that we see.
In another 4 billion years the sun will swell up to a red giant and incinerate everything out to Jupiter's orbit before contracting to a white dwarf and slowly cooling and dimming.

In the course of those 8 billion or so years, the Earth will have gone through all kinds of tumultuous change and who knows how much variety of life, but to the universe it all just happened, just came and went, just one of probably trillions of regularly occurring dramas that nobody in the far future will ever even know about...

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