why witnesses are only allowed to give their testimony once

Why the Baraita uses sacrifices as the paradigm for revealing a person's true will to fulfill the will of Hashem

What does a person really believe in their heart of hearts and how do we bring that out?

The classic case of my coat being swapped for the coat next to it, can I wear home the other coat until I get mine back?

What motivating factors invalidate a person from testifying? i.e. when does bias impact a testimony- monetary, familial, social?

Does every Jew have a right/possession of a part of Eretz Yisrael?

Does Torah learning bring pleasure and enjoyment to the learner that it will make them biased to that Torah ?

The parameters of how closing or locking a door creates ownership

Is there a concept of a chazaka on a mitzvah? e.g. someone who always leads kol nidrei every year, does that give him the automatic right to lead again the next year?

Is a beit din allowed to pressure a husband monetarily in order to force him to give his wife a divorce?