In what ways did Jim and Heath help Bryson and Katz in the travel narrative "A Walk in the Woods"?

Read the excerpt from act 3, scene 1, of julius caesar. servant. thus, brutus, did my master bid me kneel. thus did mark antony bid me fall down, and, being prostrate, thus he bade me say. "brutus is noble, wise, valiant, and honest. caesar was mighty, bold, royal, and loving. say i love brutus, and i honour him. say i feared caesar, honoured him, and loved him. if brutus will vouchsafe that antony may safely come to him and be resolved how caesar hath deserved to lie in death, mark antony shall not love caesar dead so well as brutus living, but will follow the fortunes and affairs of noble brutus thorough the hazards of this untrod state with all true faith.” so says my master antony

What is implied in this sentence from mark twain's "the £1,000,000 bank-note"? i was puzzled, and wanted to discuss the matter a little further, but they didn't; so i took my leave, feeling hurt and insulted to be made the butt of what was apparently some kind of a practical joke, and yet obliged to put up with it, not being in circumstances to resent affronts from rich and strong folk.

What is hamlet pondering at the beginning of act 3?