JER. 17.9.
The heart is deceitful above all things, and desperately wicked: who can know it?
PRO. 28:26.
He that trusteth in his own heart is a fool: but whoso walketh wisely, he shall be delivered.
in the Hebrew, when referring to the 'heart', it is an idiom for the 'mind'...every sense
is interpreted through our brains, so, as it is written, 'The just shall live by Faith', and again
we walk not by sight, but by Faith'...
but, to conclude, James tells us that those who 'have The Spirit, are of sound mind'...
but, there is 'the struggle', ROMANS 7...