Read

A smart person read a lot. Nowadays, you can study and understand anything you want through books and internet. You even can learn engineering or fix your car or learn whole new language. You just need one thing only, which is Will. Imagine you go in prison for one year and you have one book only called "Mechanic Engineering" and you don't have anything else. Believe me, you would be a very professional mechanic engineer by you leave the prison. Why this is not possible now? because you don't have will. Try to manage your time and avoid distractions such as TV, Youtube, and other people's nonsense activities. Read books and familiar yourself to world physics. Be useful and valuable. Reading makes you more effective and efficient in your day-to-day life and work. Upgrade you to scholars levels. With knowledge and science, you can pass others. Acting smart is child's game, being smart is real.