Proverbs 14:15 The simple believeth every word: but the prudent man looketh well to his going.

Matthew 10:16 ¶Behold, I send you forth as sheep in the midst of wolves: be ye therefore wise as serpents, and harmless as doves.

Matthew 10:17 But beware of men: for they will deliver you up to the councils, and they will scourge you in their synagogues;

Matthew 9:4 And Jesus knowing their thoughts said, Wherefore think ye evil in your hearts?

Mark 2:8 And immediately when Jesus perceived in his spirit that they so reasoned within themselves, he said unto them, Why reason ye these things in your hearts?

Luke 5:22 But when Jesus perceived their thoughts, he answering said unto them, What reason ye in your hearts?

John 16:30 Now are we sure that thou knowest all things, and needest not that any man should ask thee: by this we believe that thou camest forth from God.

John 6:64 But there are some of you that believe not. For Jesus knew from the beginning who they were that believed not, and who should betray him.

1 Samuel 16:7 But the LORD said unto Samuel, Look not on his countenance, or on the height of his stature; because I have refused him: for the LORD seeth not as man seeth; for man looketh on the outward appearance, but the LORD looketh on the heart.

1 Chronicles 28:9 ¶And thou, Solomon my son, know thou the God of thy father, and serve him with a perfect heart and with a willing mind: for the LORD searcheth all hearts, and understandeth all the imaginations of the thoughts: if thou seek him, he will be found of thee; but if thou forsake him, he will cast thee off for ever.

1 Chronicles 29:17 I know also, my God, that thou triest the heart, and hast pleasure in uprightness. As for me, in the uprightness of mine heart I have willingly offered all these things: and now have I seen with joy thy people, which are present here, to offer willingly unto thee.

Jeremiah 17:9 ¶The heart is deceitful above all things, and desperately wicked: who can know it?

Jeremiah 17:10 I the LORD search the heart, I try the reins, even to give every man according to his ways, and according to the fruit of his doings.

Acts 1:24 And they prayed, and said, Thou, Lord, which knowest the hearts of all men, shew whether of these two thou hast chosen,

Revelation 2:23 And I will kill her children with death; and all the churches shall know that I am he which searcheth the reins and hearts: and I will give unto every one of you according to your works.

Hebrews 4:13 Neither is there any creature that is not manifest in his sight: but all things are naked and opened unto the eyes of him with whom we have to do.