We had a rule in Tibet that anyone proposing a new invention had to guarentee that it was beneficial, or at least harmless, for seven generations of humans before it could be adopted.
Dalai Lama, Anne Benson, Fabien Ouaki (2016). “Imagine All the People: A Conversation with the Dalai Lama on Money, Politics, and Life As It Could Be”, p.48, Simon and Schuster
