Final answer:
Brutus compares Caesar to a serpent's egg in Shakespeare's "Julius Caesar," signifying the danger Caesar could become if his power grows unchecked.
Step-by-step explanation:
In the play "Julius Caesar" by William Shakespeare, Brutus compares Caesar to A serpent's egg in the beginning of Act 2, Scene 1. He makes this comparison to illustrate the potential danger Caesar poses to Rome if allowed to grow in power, similar to how a serpent's egg would hatch into a venomous snake. Brutus speaks of the need to "kill him in the shell," meaning to stop Caesar before he becomes too powerful and thus prevent the feared tyranny.