12. Speak up

The world is full of injustice, which you don't really start to notice until you're a teen.

When you see mean or suspicious things going on, it's your duty as a citizen of the world to speak up.

If anyone does anything morally wrong to you or someone else, always speak up.

Staying quiet is exactly what bad people want you to do, and if you make a habit if it now, odds are you'll be a silent observer for the rest of your life.

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