夫兵不可偃也,譬之若水火然,善用之则为福,不能用之则为祸。若用药者然,得良药则活人,得恶药则杀人。· Weapons should by no means be abolished. The application of weapons is similar to the use of water and fire. People will benefit from correctly using them but they will suffer disasters by incorrectly using them. It is also similar to the application of medicine. Taking correctly prescribed medicine may save one's life,but taking incorrectly prescribed medicine may kill one.