Words and phrases are repeated; similar structures of expressions are used which is parallelism. Both speakers show enrich their thoughts and feelings by giving picture words that the audience can easily imagine. Finally, there is a strong appeal to the emotions. For Brutus, the feeling is more on loving Rome over an ambitious friend; while for Antony, it is a feeling of great loss or grief over a good and brave friend.
The word steal is meant to show that it was against the law for slaves to become educated. The author most likely used this word to emphasize how risky it was for a slave to learn to read