"But know this"

1. Matt. 24: 43
   43 But know this, that if the goodman of the house had known in what watch the thief would come, he would have watched, and would not have suffered his house to be broken up.
2. D&C 50: 30
   30 But know this, it shall be given you what you shall ask; and as ye are appointed to the head, the spirits shall be subject unto you.
3. JS-M 1: 47
   47 But know this, if the good man of the house had known in what watch the thief would come, he would have watched, and would not have suffered his house to have been broken up, but would have been ready.