Liberal policies try to prop up the weak, who in most cases have little intention of bettering themselves, at the expense of impeding the progress of natural entrepreneurs. (voices.washingtonpost.com)
Each of the five divisions within the mathematical and physical sciences (MPS) directorate expect to tackle a pressing issue impeding progress in that discipline. (sciencemag.org)
The idea is that restraints and prohibitions should be in place to prevent us from reaching, or at least impede our progress toward, the point of absolute and damning transgression. (firstthings.com)