I know this # 44_ACT_20_29  For I know this, that after my departing shall grievous wolves enter in among you, not sparing the flock. ## For I know this, that after my departing shall grievous wolves enter in among you, not sparing the flock. 
I know this # 42_LUK_01_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. ## And Zacharias said unto the angel, Whereby shall I know this? for I am an old man, and my wife well stricken in years.