'Heart' in the Bible

Wherefore the king said unto me, Why is thy countenance sad, seeing thou art not sick? this is nothing else but sorrow of heart. Then I was very sore afraid,

And I arose in the night, I and some few men with me; neither told I any man what my God had put in my heart to do at Jerusalem: neither was there any beast with me, save the beast that I rode upon.

And we build the wall, and all the wall is joined -- unto its half, and the people have a heart to work.

and my heart reigneth over me, and I strive with the freemen, and with the prefects, and say to them, 'Usury one upon another ye are exacting;' and I set against them a great assembly,

Then I sent unto him, saying, There are no such things done as thou sayest, but thou feignest them out of thine own heart.

And my God put into mine heart to gather together the nobles, and the rulers, and the people, that they might be reckoned by genealogy. And I found a register of the genealogy of them which came up at the first, and found written therein,

And foundest his heart faithful before thee, and madest a covenant with him to give the land of the Canaanites, the Hittites, the Amorites, and the Perizzites, and the Jebusites, and the Girgashites, to give it, I say, to his seed, and hast performed thy words; for thou art righteous:

and I provided for the wood offering at appointed times and for the first fruits. O my God, [please] remember me for good [and imprint me on Your heart].