Ignorant of the arts of luxury, the primitive Romans had improved the science of government and war.

And the winds and the waves are always on the side of the ablest navigators.

[Whole] generations may be swept away by the madness of kings in the space of a single hour.

It was Rome, on the fifteenth of October, 1764, as I sat musing amidst the ruins of the Capitol, while the barefooted friars were singing vespers in the Temple of Jupiter, that the idea of writing the decline and fall of the city first started to my mind.

The pains and pleasures of the body, howsoever important to ourselves, are an indelicate subject of conversation

[The] events by which the fate of nations is not materially changed, leave a faint impression on the page of history, and the patience of the reader would be exhausted by the repetition of the same hostilities [between Rome and Persia], undertaken without cause, prosecuted without glory, and terminated without effect.

Among the innumerable monuments of architecture constructed by the Romans, how many have escaped the notice of history, how few have resisted the ravages of time and barbarism! And yet even the majestic ruins that are still scattered over Italy and the provinces, would be sufficient to prove that those countries were once the seat of a polite and powerful empire.