Capitalism attacks and destroys all the finer sentiments of the human heart; it ruthlessly sweeps away old traditions and ideas opposed to its progress, and it exploits and corrupts those things once held sacred.
Certainly, it may bring to light such a deeper knowledge of the structure of matter as to constitute a veritable discontinuity in the progress of science.
The day when the scientist, no matter how devoted, may make significant progress alone and without material help is past. This fact is most self-evident in our work.
Once serious political dialogue has begun, the international community can assume that we have achieved genuine progress along the road to real democratisation.
During the decades after Brown v. Board of Education there was terrific progress. Tens of thousands of public schools were integrated racially. During that time the gap between black and white achievement narrowed.
The progress of science is strewn, like an ancient desert trail, with the bleached skeleton of discarded theories which once seemed to possess eternal life.
Human progress is neither automatic nor inevitable... Every step toward the goal of justice requires sacrifice, suffering, and struggle; the tireless exertions and passionate concern of dedicated individuals.