I know that these things

1. Alma 5: 45
     45 And this is not all. Do ye not suppose that I know of these things myself? Behold, I testify unto you that I do know that these things whereof I have spoken are true. And how do ye suppose that I know of their surety?
2. Alma 34: 2
     2 My brethren, I think that it is impossible that ye should be ignorant of the things which have been spoken concerning the coming of Christ, who is taught by us to be the Son of God; yea, I know that these things were taught unto you bountifully before your dissension from among us.
3. 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.
4. Morm. 5: 8
     8 And now behold, I, Mormon, do not desire to harrow up the souls of men in casting before them such an awful scene of blood and carnage as was laid before mine eyes; but I, knowing that these things must surely be made known, and that all things which are hid must be revealed upon the house-tops—