It makes no difference whether the object of the action is expressed or not. It is the same in either case. But where it is not necessarily implied from the nature and fitness of things, it must be expressed, and but for such object or effect the action could not be understood. For example, I run; but if there is no effect produced, nothing run, how can it be known whether I run or not. If I write, it is necessarily understood that I write something—a letter, a book, a piece of poetry, a communication, or some other writing. When such object is not liable to be mistaken, it would be superfluous to express it—it would be a redundancy which should be avoided by all good writers and speakers. All languages are, in this respect, more or less eliptical, which constitutes no small share of their beauty, power, and elegance.
This elipsis may be observed not only in regard to the objects of verbs, but in the omission of many nouns after adjectives, which thus assume the character of nouns; as, the Almighty, the Eternal, the Allwise, applied to God, understood. So we say the wise, the learned, the good, the faithful, the wicked, the vile, the base, to which, if nouns, it would sound rather harsh to apply plurals. So we say, take your hat off ( ); put your gloves on ( ); lay your coat off ( ); and pull your boots on ( ); presuming the person so addressed knows enough to fill the elipsis, and not take his hat off his back, pull his gloves on his feet, or his boots on his head.
In pursuing this subject farther, let us examine the sample words which are called intransitive verbs, because frequently used without the object expressed after them; such as run, walk, step, fly, rain, snow, burn, roll, shine, smiles, &c.
“I run.”