"If people do not welcome you, shake the dust off your feet when you leave their town, as a testimony against them."
NIV
And wherever they do not receive and accept and welcome you, when you leave that town shake off [even] the dust from your feet, as a testimony against them.
AMP
And whosoever will not receive you, when ye go out of that city, shake off the very dust from your feet for a testimony against them.
KJV
With this in mind, since I myself have carefully investigated everything from the beginning, I too decided to write an orderly account for you, most excellent Theophilus
NIV
It seemed good and desirable to me, [and so I have determined] also after having searched out diligently and followed all things closely and traced accurately the course from the highest to the minutest detail from the very first, to write an orderly account for you, most excellent Theophilus, [Acts 1:1.]AMP
It seemed good to me also, having had perfect understanding of all things from the very first, to write unto thee in order, most excellent Theophilus,
KJV