- „The Power of Believing You Can Improve“ – Carol Dweck (TED Talk, 10:20)
https://www.ted.com/talks/carol_dweck_the_power_of_believing_that_you_can_improve - „Grit: The Power of Passion and Perseverance“ – Angela Lee Duckworth (TED Talk, 6:12)
https://www.youtube.com/watch?v=H14bBuluwB8 - „Lifelong Learning Benefits | Life Skills | ClickView“
https://www.youtube.com/watch?v=L_P8iHgk4Ig