It's just a fact of life. You just have to accept inconsistent muscle development as an unalterable condition of weight training. Drillers who Edwin L. Drake tried to enlist to his project to drill for oil in 1859. Stocks have reached what looks like a permanently high plateau. Irving Fisher, Professor of Economics, Yale University, 1929.
Airplanes are interesting toys but of no military value.
Marechal Ferdinand Foch, Professor of Strategy, Ecole Superieure de Guerre. Everything that can be invented has been invented. Charles H. Duell, Commissioner, U.S. Office of Patents, 1899. Extraordinary to Queen Victoria 1873. And now a few sent to me via email.