Today, however, the beauty and complexity of life and the terrestrial systems that sustain it are far better understood than they were at that time. And we will undoubtedly learn much more about the earth and the heavens in the years ahead.
हे कबूल आहे, की शंभर वर्षांपूर्वी अस्तित्वात असलेल्या लोकांना त्यांच्या पूर्वजांपेक्षा नक्कीच जास्त ज्ञान होते.