h2g2 The Hitchhiker's Guide to the Galaxy: Earth Edition

your teacher is narrow minded and arrogant as those before us. If you're a religious person and believe in scripture, then it plainly tells us "there's nothing new under the sun." If you're not a religious person, and subscribe to science, then it's only logical that we aren't the only being to travel the universe. Other beings have and are capable of visiting us, just as we are capable now of visiting them. We must not become so arrogant as to believe we are the only lifeform in existence