و عمر جهان آنقدر زیاد است که باید تا الآن شواهدی از وجود آن‌ها دیده باشیم، مگر این که ما نخستین تمدن تکامل یافته در جهان باشیم. 
And the universe is so old that unless we were the very first civilization ever to evolve, we should have some evidence of their existence by now. 