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Letter "P" » perpendicular
«The rocks of the original soil, he wrote, are arranged in perpendicular layers or inclined towards the horizon. They are composed of quartz, granite, shale, slate and talcose.»
Author: Antoine Lavoisier
, The Rocks
«This seems to be the law of progress in everything we do; it moves along a spiral rather than a perpendicular; we seem to be actually going out of the way, and yet it turns out that we were really moving upward all the time.»
«Dancing is a perpendicular expression of a horizontal desire.»
«One mustn't criticize other people on grounds where he can't stand perpendicular himself»