It may be helpful to state clearly what "it" refers to. AT: "It is the thoughts and actions that come out of" (See: [[rc://en/ta/man/translate/figs-explicit]])
Here the word "within" describes a person's heart. AT: "come from within a person's heart" or "come from within a person's thoughts" (See: [[rc://en/ta/man/translate/figs-ellipsis]])