I have dwelt upon the greatness of Athens because I want to show you that we are contending for a higher prize than those who enjoy none of these privileges, and to establish by manifest proof the merit of these men whom I am now commemorating. Their loftiest praise has been already spoken. For in magnifying the city I have magnified them, and men like them whose virtues made her glorious.

Why did Pericles focus on the greatness of Athens?