“Jesus said to her, ‘Everyone who drinks of this water will be thirsty again, but whoever drinks of the water that I will give him will never be thirsty again. The water that I will give him will become in him a spring of water welling up to eternal life.’ The woman said to him, ‘Sir, give me this water, so that I will not be thirsty or have to come here to draw water’” (John 4:13-15, ESV).
In the familiar story of Jesus and the woman of Samaria in John 4:1-42, Jesus provided a perfect demonstration of personal witnessing:
Steve's Bible Meditations 