Question, Don’t Just Assume. This is a habit that applies to every aspect of your life from the way you take in new information to how you approach interpersonal relationships.
Read Something You Normally Wouldn’t. Reading is a great way to expand your knowledge (and your vocabulary), and if you want to be smarter, you should definitely read every day.
Diversify Your Day. While a routine can be great and beneficial, it’s easy to get stuck in a rut. To be both happy and productive, you need to mix things up – so that you are constantly doing new things and keeping your brain active.
Expose Yourself to Different World Views. Smart people are curious. They interact with different people, and expose themselves to as many cultures, places, and perspectives as possible. It’s a great way to get your mind working.
Make A Point of Learning Something New Each Day. Learning something new every day (no matter how small or seemingly insignificant), can have a big impact on your brain.