'Heartily' in the Bible
So you shall keep My commandments and do them; I am the Lord.
"I will heartily rejoice in the LORD, my soul will delight in my God; for he has wrapped me in garments of salvation; he has arrayed me in a robe of righteousness, just like a bridegroom, like a priest with a garland, and like a bride adorns herself with her jewels.
“As for me, I baptize you with water because of [your] repentance [that is, because you are willing to change your inner self—your old way of thinking, regret your sin and live a changed life], but He (the Messiah) who is coming after me is mightier [more powerful, more noble] than I, whose sandals I am not worthy to remove [even as His slave]; He will baptize you [who truly repent] with the Holy Spirit and [you who remain unrepentant] with fire (judgment).
From that time Jesus began to preach and say, “Repent [change your inner self—your old way of thinking, regret past sins, live your life in a way that proves repentance; seek God’s purpose for your life], for the kingdom of heaven is at hand.”
About that time Jesus exclaimed, "I heartily praise Thee, Father, Lord of Heaven and of earth, that Thou hast hidden these things from sages and men of discernment, and hast unveiled them to babes.
John the Baptist appeared in the wilderness preaching a baptism of repentance for the forgiveness of sins [that is, requiring a change of one’s old way of thinking, turning away from sin and seeking God and His righteousness].
So they went out and preached that men should repent [that is, think differently, recognize sin, turn away from it, and live changed lives].
I did not come to call the [self-proclaimed] righteous [who see no need to repent], but sinners to repentance [to change their old way of thinking, to turn from sin and to seek God and His righteousness].”
I tell you, no; but unless you repent [change your old way of thinking, turn from your sinful ways and live changed lives], you will all likewise perish.
I tell you, no; but unless you repent [change your old way of thinking, turn from your sinful ways and live changed lives], you will all likewise perish.”
In the same way, I tell you, there is joy in the presence of the angels of God over one sinner who repents [that is, changes his inner self—his old way of thinking, regrets past sins, lives his life in a way that proves repentance; and seeks God’s purpose for his life].”
He replied, ‘No, father Abraham, but if someone from the dead goes to them, they will repent [they will change their old way of thinking and seek God and His righteousness].’
He who has the bride is the bridegroom; but the friend of the bridegroom, who stands by and listens to him, rejoices greatly because of the bridegroom’s voice. So this pleasure and joy of mine is now complete.
Now Saul heartily approved of putting Stephen to death. That day a severe persecution broke out against the church in Jerusalem, and everyone except for the apostles was scattered throughout the countryside of Judea and Samaria.
"Immediately, therefore, I sent to you, and I thank you heartily for having come. That is why all of us are now assembled here in God's presence, to listen to what the Lord has commanded you to say."
When they arrived in Jerusalem, they were received warmly by the church and the apostles and the elders, and they reported to them all the things that God had accomplished through them.
Therefore God overlooked and disregarded the former ages of ignorance; but now He commands all people everywhere to repent [that is, to change their old way of thinking, to regret their past sins, and to seek God’s purpose for their lives],
And when Apollos wanted to go across to Achaia (southern Greece), the brothers encouraged him and wrote to the disciples, [urging them] to welcome him gladly. When he arrived, he was a great help to those who, through grace, had believed and had followed Jesus as Lord and Savior,
The churches of Asia greet you. Aquila and Priscilla greet you warmly in the Lord, along with the church that meets in their home.
not in the way of eye-service [working only when someone is watching you and only] to please men, but as slaves of Christ, doing the will of God from your heart;
And whatsoever ye do, do it heartily, as to the Lord, and not unto men;
and one of you tells them, "Go in peace! Stay warm and eat heartily." If you do not provide for their bodily needs, what good does it do?
Now that, through your obedience to the truth, you have purified your souls for cherishing sincere brotherly love, you must love another heartily and fervently.