We sang this one at a meeting recently, and I really like the words. They hit on some key truths and key heart issues.
This observation from Verse 2 is especially striking:
And from my smitten heart with tears Two wonders I confess:
The wonders of redeeming love And my unworthiness.
I had this vision of a person kneeling, turning up a tear-streaked face towards Heaven, and confessing these two realizations.