Meaning: To maintain composure in the midst of extreme stress. To survive.
In the Bible, death is described as the parting of body and soul.
Eccles. 12:7
Then shall the dust return to the earth as it was: and the spirit shall return unto God who gave it.
Matthew 10:28
And fear not them which kill the body, but are not able to kill the soul: but rather fear him which is able to destroy both soul and body in hell.