Bede the Venerable

In this rule however, given by our Lord, the great have need of no little judgment, that they do not indeed like the kings of the Gentiles delight to tyrannize over their subjects, and be puffed up with their praises, yet notwithstanding that they be provoked with a righteous zeal against the wickedness of offenders.

But to the words of the exhortation He subjoins His own example, as it follows, For which is greater, he who sitteth at meat, or he that serveth? But I am among you, &c.