There is an abundance of TED Talks out there – the ones listed here I recommend because they are impressive, transport an idea worth listening to. I personally like this way of quickly sharing and giving impulses to a large audience. There is always something to learn.
What are the most important moral problems of our time?/William MacAskill
Want to make a difference? Don’t work for a charity./William MacAskill
Why we should give everyone a basic income/Rutger Bregman
Poverty isn’t a lack of character, it’s a lack of cash/Rutger Bregman
The power of vulnerability/Brené Brown
The Positive Choice 