'Heart' in the Bible

My heart goes out to the commanders of Israel who offered themselves willingly among the people. Bless the LORD.

the princes of Is'sachar came with Deb'orah, and Is'sachar faithful to Barak; into the valley they rushed forth at his heels. Among the clans of Reuben there were great searchings of heart.

Why did you tarry among the sheepfolds, to hear the piping for the flocks? Among the clans of Reuben there were great searchings of heart.

And she said to him, "How can you say, 'I love you,' when your heart is not with me? You have mocked me these three times, and you have not told me wherein your great strength lies."

And the priest's heart was glad; he took the ephod, and the teraphim, and the graven image, and went in the midst of the people.

And on the fourth day they arose early in the morning, and he prepared to go; but the girl's father said to his son-in-law, "Strengthen your heart with a morsel of bread, and after that you may go."

So the two men sat and ate and drank together; and the girl's father said to the man, "Be pleased to spend the night, and let your heart be merry."

And on the fifth day he arose early in the morning to depart; and the girl's father said, "Strengthen your heart, and tarry until the day declines." So they ate, both of them.

And when the man and his concubine and his servant rose up to depart, his father-in-law, the girl's father, said to him, "Behold, now the day has waned toward evening; pray tarry all night. Behold, the day draws to its close; lodge here and let your heart be merry; and tomorrow you shall arise early in the morning for your journey, and go home."