We risk crossing a very dangerous threshold with these technological developments. (stopkillerrobots.org)
In the climate system, Dr. Sterman says — echoing many climate scientists — it is a loud message that a prompt start is needed in curbing and then cutting emissions if you want to cut the chances of passing dangerous thresholds. (dotearth.blogs.nytimes.com)
(After Hero Trinity had passed beyond its own dangerous threshold, its pastor wrote, using marine imagery, «The troubled waters receded, the dry land of urban mission appeared, and the people walked out upon it in faith.») (religion-online.org)