Besides taking an opportunity to gratuitously brag about my wife, I bring this up because I've always been amazed at the capacity people have to grow and improve, no matter where they come from or what they've been through. The best kind of people to have around you are people who are continuously seeking to improve upon their knowledge, abilities and character. Show me a person who doesn't live this way, and I'll show you a person who has already peaked and is just running on fumes.
It doesn't take a lot of time or effort to be a lifelong learner. What it does require is a commitment. It doesn't matter if you work a crossword every morning, check the tip of the day on your favorite geek site or buy your bimonthly copy of Mental Floss. Just do something. The benefits can be tangible. Research shows that a lack of education can even result in a greater risk of developing Alzheimer's (see one article here).
So let's make the choice to get off our brains and learn something today. You don't have to research for a thesis. Just learn something. You'll be richer for the experience, you'll have more to contribute to the world, and you might even impress your friends while playing Cranium. Hey, maybe you'll meet your soul mate. Everyone knows that smarts are sexy. Right?