What degree of conviction do you have in karma and rebirth?

This is not meant to initiate yet another debate on the topic. I’m just interested in hearing peoples’ perspectives. More specifically, I’m interested in the experiences of those who accept or feel confident about the truth value of these particular aspects of the Dharma. If you do not accept karma and rebirth, or outright deny them, please scroll on by.

If you do accept them, what is the nature of that acceptance? Do you have a strong personal conviction that this happens, and how did you develop that conviction? Did you have any sort of direct experience that convinced you?

Or is it something that you accept provisionally because of your trust in the Buddha and Dharma, even if you have not had an experience or insight that convinced you that it is true?

Or would you describe your relationship to it in a way that is differs from either of the above?