‏الزهد والرقائق‏ : Hadeeth No:7122 Shaqiq reported that it was said to Usama b. Zaid: Why don't you visit 'Uthman and talk to him? Thereupon he said: Do you think that I have not talked to him but that I have made you hear? By Allaah. I have talked to him (about things) concerning me and him and I did not like to divulge those things...

‏النكاح : Hadeeth No:3245 This hadith has been narrated on the authority of Isma'il with the same chain of transmitters (and the words are):" We were young, so we said: Allaah's Messenger, should we not have ourselves castrated? But he (the narrator) did not say; We were on an expedition."...