The Woman with the Issue of Blood (Mark 5)

Worthwhile distinction made by JFB's commentary here:

"Yes, the multitude “thronged and pressed Him” - they jostled against Him, but all involuntarily; they were merely carried along; but one, one only - “a certain person - TOUCHED HIM,” with the conscious, voluntary, dependent touch of faith, reaching forth its hand expressly to have contact with Him. This and this only Jesus acknowledges and seeks out. Even so, as Augustine long ago said, multitudes still come similarly close to Christ in the means of grace, but all to no purpose, being only sucked into the crowd. The voluntary, living contact of faith is that electric conductor which alone draws virtue out of Him."  -JFB

This is one of the greatest mysteries of our faith---how some hear the Word, touch his hem, and yet come away unchanged, while others hearts are stirred.