it is useful, or rather it is necessary, not to be indifferent about acquiring the works of earlier writers, but to make a collection of these, like … - Plutarch

When Alexander saw the breadth of his domain, he wept for there were no more worlds to conquer. (Technically a misquote, but I like the misquote better)

And that which is often said of the volume and power of the human voice was then apparent to the eye. For ravens which chanced to be flying overhead fell down into the stadium. The cause of this was the rupture of the air; for when the voice is borne aloft loud and strong, the air is rent asunder by it and will not support flying creatures, but lets them fall, as if they were over a vacuum, unless, indeed, they are transfixed by a sort of blow, as of a weapon, and fall down dead. It is possible, too, that in such cases there is a whirling motion of the air, which becomes like a waterspout at sea with a refluent flow of the surges caused by their very volume.

To one commending an orator for his skill in amplifying petty matters, Agesilaus said, "I do not think that shoemaker a good workman that makes a great shoe for a little foot."