וזאת תורת זבח השלמים... אם על תודה יקריבנו
One who has survived a life-threatening crisis brings a Korban Todah, thanksgiving-offering: first, to demonstrate that he acknowledges that it was Hashem Who saved him; second, to pay gratitude to Hashem. David Hamelech says (Tehillim 107:21,22) Yodu la’Hashem chasdo, v’niflaosav livnei adam. V’yizbechu zivchei Todah v’yisapru maasav b’rinah. “Let them acknowledge to Hashem His kindness, and to the children of man His wonders. And let them sacrifice thanksgiving-offerings and relate His works with joyful song.” We derive from here that the offering of a Korban Todah is of overriding significance and is an integral part of the process of expressing…