'Perception' in the Bible

Then Jesus said to them, “O foolish men, and slow of heart to trust and believe in everything that the prophets have spoken!

For no person will be justified [freed of guilt and declared righteous] in His sight by [trying to do] the works of the Law. For through the Law we become conscious of sin [and the recognition of sin directs us toward repentance, but provides no remedy for sin].

for their [moral] understanding is darkened and their reasoning is clouded; [they are] alienated and self-banished from the life of God [with no share in it; this is] because of the [willful] ignorance and spiritual blindness that is [deep-seated] within them, because of the hardness and insensitivity of their heart.

And it is my prayer that your love may be more and more accompanied by clear knowledge and keen perception, for testing things that differ,