When you get back on the field and do things, any doubts you've developed leave. The more consistent you become, the fewer doubts you have.
“If we want to implement climate protection worldwide, countries like Germany, which are capable of developing new technologies, will have to hand over some of their knowledge. We can't expect to have our cake and eat it too.”
“How do we get democracy at the international level? That's our problem. and it's essentially the same problem people faced in the 18th Century when they tried to get democracy nationally. Now we need it internationally.”