"Come now, and let us reason together,
saith the LORD...." Isa 1:18a
"Produce your cause, saith the LORD;
bring forth your strong reasons,
saith the King of Jacob." Isa 41:21
"Prove all things; hold fast that which is good."
1Th 5:21
"But sanctify the Lord God in your hearts:
and be ready always to give an answer
to every man that asketh you
a reason of the hope that is in you
with meekness and fear."1Pet 3:15
The Logic of Faith.
http://www.letgodbetrue.com/pdf/reasoning-in-the-scriptures.pdf