and even kill each other。〃
〃What is your scheme？〃
〃Ma Chao is brave but not very astute。 You write a letter with your own hand to Han Sui himself and put in it some rambling statements about some harm that is going to happen。 Then blot it out and write something else。 Afterwards you will send it to Han Sui； taking care that Ma Chao shall know all about it。 Ma Chao will demand to read the letter； and when he sees that the important part of the letter has been changed； he will think that Han Sui has made the changes lest his secrets should leak out。 This will fit into the private talk you had with Han Sui the other day； and the suspicion will grow until it has brought about trouble。 I can also secretly corrupt some of Han Sui's subordinates； and get them to widen the breach。 Then we can settle Ma Chao。〃
〃The scheme looks excellent；〃 said Cao Cao。
And he wrote the letter as suggested； and then erased and changed it； after which he sealed it securely and sent it