This is fairly simple.
Identify the author and the context of the following. Use of Google/Wikipedia prohibited. Please.
These are the monuments of real kings, who were the fathers of their people; testators to a posterity which they embraced as their own. These are the grand sepulchres built by ambition; but by the ambition of an insatiable benevolence, which, not contented with reigning in the dispensation of happiness during the contracted term of human life, had strained, with all the reachings and graspings of a vivacious mind, to extend the dominion of their bounty beyond the limits of nature, and to perpetuate themselves through generations of generations, the guardians, the protectors, the nourishers of mankind.