"The climate crisis is both the easiest and the hardest issue we have ever faced. The easiest because we know what we must do. We must stop the emissions of greenhouse gases. The hardest because our cu…"

"Either we prevent a 1.5 degree of warming or we don't. Either we avoid unleashing irreversible chain reactions beyond human control or we don't. Either we do it or we don't. That is how black or white…"

"When haters go after your looks and differences, it means they have nowhere left to go. And then you know you're winning!"

"I have Asperger's, and that means I'm sometimes a bit different from the norm. And, I think, in many ways, that is a gift."

"We have to tell it like it is. Because if there are no positive things to tell, then what should we do, should we spread false hope?"