This posture seeks through the praxis of faith to overcome seemingly insurmountable barriers between races, sexes, classes, rich and poor, oppressors and oppressed, humans and the natural world, Christian faith and other religions. (religion-online.org)
This was so, first, because Lundbeck's process patents did not constitute insurmountable barriers for the generic undertakings, which were willing and ready to enter the citalopram market, and which had already made considerable investments to that end (para 124). (europeanlawblog.eu)
Whether the government merely failed to prosecute or refused to prosecute, and whether you have or haven't suffered an actual injury, there are multiple insurmountable or nearly insurmountable barriers in the way of successfully winning the kind of lawsuit you want to pursue. (politics.stackexchange.com)