'Thoughts' in the Bible

Now immediately, when Jesus realized in his spirit that they were contemplating such thoughts, he said to them, "Why are you thinking such things in your hearts?

For from within, out of the heart of men, proceed evil thoughts, adulteries, fornications, murders,

Peter took him aside and began to rebuke him. But turning and looking at his disciples, Jesus rebuked Peter, saying, "Get behind me, Satan, because you're not thinking God's thoughts, but human thoughts!"