Messianic and the myth of the Ya'abetz

The Rabbi in column 62 cites the words of the Ya'avetz that it is more difficult for the wise to surrender their souls, and yet the Rabbi concludes that it is better to be wise, because this is the truth.
 
Is it even possible to surrender one's soul when one knows that the Torah is uncertain?! [Not is it more difficult, but is it logically correct], and if not, to whom did the Torah command, 'Even he who takes your soul, to the Amaratzot?!?!