John 4:37-41 KJV
And herein is that saying true, One soweth, and another reapeth. I sent you to reap that whereon ye bestowed no labour: other men laboured, and ye are entered into their labours.
And many of the Samaritans of that city believed on him for the saying of the woman, which testified, He told me all that ever I did. So when the Samaritans were come unto him, they besought him that he would tarry with them: and he abode there two days. And many more believed because of his own word