Luke 1:18

And Zacharias said unto the angel, Whereby shall I know this? for I am an old man, and my wife well stricken in years.
- King James Version

Zacharias said to the angel, "How will I know this {for certain?} For I am an old man and my wife is advanced in years."
- New American Standard Version (1995)

And Zacharias said unto the angel, Whereby shall I know this? for I am an old man, and my wife well stricken in years.
- American Standard Version (1901)

And Zacharias said to the angel, How may I be certain of this? For I am an old man, and my wife is far on in years.
- Basic English Bible

And Zacharias said to the angel, How shall I know this, for *I* am an old man, and my wife advanced in years?
- Darby Bible

And Zacharias said to the angel, By what shall I know this? for I am an old man, and my wife far advanced in years.
- Webster's Bible

By what proof, asked Zechariah, "shall I know this? For I am an old man, and my wife is far advanced in years."
- Weymouth Bible

Zacharias said to the angel, "How can I be sure of this? For I am an old man, and my wife is well advanced in years."
- World English Bible

And Zacarie seide to the aungel, Wherof schal Y wite this? for Y am eld, and my wijf hath gon fer in to hir daies.
- Wycliffe Bible

And Zacharias said unto the messenger, `Whereby shall I know this? for I am aged, and my wife is advanced in her days?'
- Youngs Literal Bible

Wesley's Notes for Luke 1:18

1:18 Zacharias said, Whereby shall I know this? - In how different a spirit did he blessed virgin say, How shall this be? Zacharias disbelieved the fact: Mary had no doubt of the thing; but only inquired concerning the manner of it.

People's Bible Notes for Luke 1:18

Lu 1:18 By what shall I know this? He wanted a sign.