JMNT(i)
10 Jesus in turn says to him, "The person being one having bathed himself or herself (or, as a passive: being one having been washed and cleansed) does not continue having a need to wash himself or herself – except [his] feet – but rather she or he continues to exist being wholly clean. And you men continue being clean folks – but yet, not everyone (or: not all folks)."
11 For He had seen and knew the one in process of handing Him over. On account of this He said, "Not all are clean ones (or: All men are not clean ones; or: You are not all clean ones)."
12 After He had washed their feet, He took His outer garments (= He put them back on) and reclined back again, [and] says to them, "Are you men coming to know and personally understand what I have done for you (to you; in you; with and among you folks)?