(1) Learning legal knowledge helps us to safeguard our legitimate rights and interests according to law. In this case, the neighbors did not agree with Uncle Liu's behavior of raising pigeons on the balcony. However, they did not solve the problem by quarreling or fighting, but brought a lawsuit to the people's court according to law and got the legal judgment they expected.

(2) Learning legal knowledge is the requirement of self-discipline according to law. In this case, although Uncle Liu keeps homing pigeons on the balcony at home, his homing pigeons have also brought considerable harm to the surrounding residents. From this perspective, Uncle Zhang's behavior is also illegal. Enhance the awareness of self-discipline according to law by learning legal knowledge.

(3) Whether we are self-disciplined according to law or safeguarding our legitimate rights and interests according to law, we are required to learn and understand basic legal knowledge and have a clearer understanding of the possible legal consequences of our actions, which is also an objective requirement for us to act according to law.