6:16
Learned Helplessness - How you're unconsciously destroying your life
16:07
The science of optimism & how you can cultivate it
1:20:13
Positive Psychology with Martin Seligman
25:28
How To Think Positively - Marcus Aurelius (Stoicism)
7:26
İyimser Hiççilik
9:53
The Future Will Be Shaped by Optimists | Kevin Kelly | TED
7:47
Seligman's Learned Helplessness / Optimism Explained!
12:56