Behold, I know that

1. Gen. 12: 11
     11 And it came to pass, when he was come near to enter into Egypt, that he said unto Sarai his wife, Behold now, I know that thou art a fair woman to look upon:
2. 1 Sam. 24: 20
     20 And now, behold, I know well that thou shalt surely be king, and that the kingdom of Israel shall be established in thine hand.
3. 2 Kgs. 5: 15
     15 ¶ And he returned to the man of God, he and all his company, and came, and stood before him: and he said, Behold, now I know that there is no God in all the earth, but in Israel: now therefore, I pray thee, take a blessing of thy servant.
4. Acts 20: 25
     25 And now, behold, I know that ye all, among whom I have gone preaching the kingdom of God, shall see my face no more.
5. 2 Ne. 4: 5
     5 But behold, my sons and my daughters, I cannot go down to my grave save I should leave a blessing upon you; for behold, I know that if ye are brought up in the way ye should go ye will not depart from it.
6. Alma 30: 42
     42 Behold, I know that thou believest, but thou art possessed with a lying spirit, and ye have put off the Spirit of God that it may have no place in you; but the devil has power over you, and he doth carry you about, working devices that he may destroy the children of God.
7. Hel. 7: 29
     29 Behold now, I do not say that these things shall be, of myself, because it is not of myself that I know these things; but behold, I know that these things are true because the Lord God has made them known unto me, therefore I testify that they shall be.