Based on mark antony’s argument in the above speech, why does he repeat the line, “but brutus says he was ambitious,/and brutus is an honorable man”? mark antony repeats that line to support brutus by giving examples that prove that caesar was ambitious. mark antony repeats that line to discredit brutus by giving examples that prove that caesar was not ambitious. mark antony repeats that line to support octavius as the rightful heir to caesar’s position. mark antony repeats that line to encourage brutus in becoming caesar’s heir.