As long as history does not stop and time does not retrogress, everything will grow old.
The reticulated model: progress or retrogress --Reflection on review of Lugg and Suppes;
If we are proud of our achievements, we will lose our pace of progress and even retrogress.
If time could retrogress to let me go back to my school days, my dear teacher, how respectfully l would again listen to you…
Youth is the finger of the clock, only ticking forward, will not stop for whom, will not retrogress for whom.