Numerousness-Fewness

As writers become more numerous, it is natural for readers to become more indolent. (Goldsmith)

Nations are not truly great solely because the individuals composing them are numerous, free, and active; but they are great when these numbers, this freedom, and this activity are employed in the service of an ideal higher than that of an ordinary man, taken by himself. (Arnold)

And for the few that only lend their ear, that few is all the world. (Samuel Daniel)

Never in the field of human conflict was so much owed by so many to so few. (Churchill)

Let thy speech be short, comprehending much in few words. (Bible)