It's basically the only thing atheists can agree upon.
And it makes perfect sense.
I, an atheist, can completely disagree with another atheist on absolutely anything else in life except for our disbelief in gods.
Hmm. I like your sig. "For those who prefer the comfort of the lie, the truth will always make them uncomfortable."
I'd think it's, "for those who find comfort in how they define truth, will always be on a journey. For those who claim to have the truth, will be stuck in a hole they can't dig out of."
Yes, we all agree that we disbelieve in gods even though you'd probably find soon more posters will make it a bit more complicated. Yet, I wouldn't say (if you agree with your quote) that we are living the truth and others a lie. There is no right and wrong in life just how we conduct ourselves without harm to self and others. However one wants to shape the world
to be comfortable in it depends on the person. For many atheist who don't need
that type of comfort still have things, ideas, and beliefs that shape our world.
The only thing we have in common is: We don't attribute them to a god.