What is a powerful sentence?

Question

English- grammar.

Answer 1

One that clearly and concisely says exactly what you mean to say--heavy to the concrete nouns and action verbs, light on adjectives and adverbs. Weak sentence: "If you observe that an inappropriate or dangerous action is taking place, you should consider expressing your concern verbally in a loud manner." Strong sentence: "If you see something going wrong, yell 'Stop!'"

Answer 2

i told you that i would be back