How to Use "invincible" with Example Sentences

1. It makes you more active , positive and invincible .
2. Remind students that they 're on their own and are not invincible .
3. I still stubbornly insisted I was invincible .
4. Which in the present state of our intelligence and population must render us invincible .
5. In the depths of winter I finally learned there was in me an invincible summer .