'Enthusiastic' in the Bible
A prayer of Habakkuk the prophet, set to wild and enthusiastic music.
And when they heard it, they began glorifying and praising God; and they said to him, “You see, brother, how many thousands of believers there are among the Jews, and they are all enthusiastic supporters of the Law [of Moses].
So now finish this, so that your eagerness in desiring it may be equaled by your completion of it, according to your ability.
And [you have heard how] I surpassed many of my contemporaries among my countrymen in [my advanced study of the laws of] Judaism, as I was extremely loyal to the traditions of my ancestors.
who [willingly] gave Himself [to be crucified] on our behalf to redeem us and purchase our freedom from all wickedness, and to purify for Himself a chosen and very special people to be His own possession, who are enthusiastic for doing what is good.
Those whom I [dearly and tenderly] love, I rebuke and discipline [showing them their faults and instructing them]; so be enthusiastic and repent [change your inner self—your old way of thinking, your sinful behavior—seek God’s will].