Aphoristic
Part of speech: adjective
Definition: of, relating to, or containing aphorisms, maxims or epigrams; gnomic
Concise
Part of speech: adjective
Definition: brief, yet including all important information
Example sentence: During the year 1894, Pierre Curie wrote me letters that seem to me admirable in their form. No one of them was very long, for he had the habit of concise expression, but all were written in a spirit of sincerity and with an evident anxiety to make the one he desired as a companion know him as he was.