The Book of Genesis was written 4,000 years ago. St. Mark wrote his Gospel nearly 2,000 years ago. But both books speak to us directly, and intimately, today . The serpent is a liar. Our sin today is exactly the same.
Pride is a kind of mental illness.
It's an inability to see and accept reality as it really is. We are not gods. We've been given the gifts of intelligence and free will, and we've accomplished many, many wonderful things with these gifts. And that's what God intended. We're here to serve God and each other, not to worship our own power.