2 Bible Verses about Do Not Greet

Be not carrying purse, or satchel, or sandals, and, no one along the road, salute ye;

And he said to Gehazi - Gird thy loins, and take my staff in thy hand, and go thy way, if thou meet with any man, thou must not bless him, and, if any man bless thee, thou must not respond to him, - then shalt thou lay my staff upon the face of the boy.