Grammar is the analysis of language.

Men of genius are far more abundant than is supposed. In fact, to appreciate thoroughly the work of what we call genius, is to possess all the genius by which the work was produced.

Perched upon a bust of Pallas, just above my chamber door,- Perched, and sat, and nothing more.

During the whole of a dull, dark, and soundless day in the autumn of the year, when the clouds hung oppressively low in the heavens, I had been passing alone, on horseback, through a singularly dreary tract of country; and at length found myself, as the shades of the evening drew on, within view of the melancholy House of Usher. I know not how it was - but, with the first glimpse of the building, a sense of insufferable gloom pervaded my spirit.

[The daguerreotype] itself must undoubtedly be regarded as the most important, and perhaps the most extraordinary triumph of modern science.

Convinced myself, I seek not to convince.

True! - nervous - very, very nervous I had been and am; but why will you say that I am mad?