“ So far only do [R. Eliezer and R. Joshua] differ, viz. in the matter of warning and seclusion, but in the matter of misconduct [they agree] that one witness is believed.22 We similarly learn in the Mishnah: If one witness says: I saw that she committed misconduct, she does not drink the water.23 Whence is it derived according to Torah-law that one witness is believed? As our Rabbis taught: And there be no witness against her24 — the text refers to two witnesses.25 But perhaps it is not so and even one [suffices] ! ”