Whatever advice you give, be brief.
Quintus Horatius Flaccus
[S]ince brevity is the soul of wit, And tediousness the limbs and outward flourishes, I will be brief.
Against the censurers of brevity. - Something said briefly can be the fruit of much long thought: but the reader who is a novice in this field, and has as yet reflected on it not at all, sees in everything said briefly something embryonic, not without censuring the author for having served him up such immature and unripened fare.
All pleasantry should be short; and it might even be as well were the serious short also.
I fancy mankind may come, in time, to write all aphoristically, except in narrative; grow weary of preparation, and connection, and illustration, and all those arts by which a big book is made.
Speech is highly elliptical. It would scarcely be endurable otherwise. Ellipsis is indispensable to the writer or speaker who wants to be brief and pithy, but it can easily cause confusion and obscurity and must be used with skill.
Contractions, 'U' for 'you' and the like are wonderful to make communication brief and efficient - but we wouldn't want all our talk to be only brief and efficient. Taking pauses out of language would be like taking the net away from a tennis game. Where would all the fun go?
Whatever you advise, be as brief as possible.
We are in an age that assumes the narrowing trends of specialization to be logical, natural, and desirable. Consequently, society expects all earnestly responsible communication to be crisply brief.... In the meantime, humanity has been deprived of comprehensive understanding.
Learn their lesson, that if you would teach people you first must capture their interest with news; that your service rather than your sermons must be your claim upon their attention; that what you say must be simple, and brief, and above all sincere - the unmistakable voice of true regard and affection.
Literary qualifications have no more to do with it than oratory has with salesmanship. One must be able to express himself briefly, clearly, and convincingly, just as a salesman must.
I'd like to be better at short, snappy answers.
Honorable Senators: My sincerest thanks I offer you. Conserve the firm foundations of our institutions. Do your work with the spirit of a soldier in the public service. Be loyal to the Commonwealth and to yourselves and be brief; above all be brief.