Shun utilization of hippopotomonstrosesquipidaelian, voluminous, or extra-reticular linguistic constructs that amount to pleonastic periphrasis exceeding the minimal requisite sufficiency for punctilious explication impartation.

Or,

Don’t use big words.

*Originally written for a speech in 6th grade, expanded upon for a humourous interpretation in 10th grade, and totally rewritten to publish here in 2020. The original: “At all points feasible, shun the utilization of hippopotomonstrosesquipidaelian words and voluminous phrases which exceed the requisite to punctiliously impart your explication. Pleonastic periphrasis recurrently ensues in unintelligible prolixity.”