It's important to (do somethng)
When you're explaining an idea or action that is important, use the phrase "It's important to ___". For example:
It's important to remember that there are no winners and losers here. This is just for fun and practice.
It's important to get regular excercise.
If your message is important for a specific person or group of people, you can mention them like this:
It's important for you to get here on time.