Matthew 6:18

6:18 so that it will not be obvious to others when you are fasting, but only to your Father who is in secret. And your Father, who sees in secret, will reward you.

Matthew 13:17

13:17 For I tell you the truth, ¹  many prophets and righteous people longed to see ²  what you see but did not see it, and to hear what you hear but did not hear it.

Matthew 18:10

The Parable of the Lost Sheep

18:10 “See that you do not disdain one of these little ones. For I tell you that their angels in heaven always see the face of my Father in heaven.

Matthew 24:2

24:2 And he said to them, ³  “Do you see all these things? I tell you the truth, ⁴  not one stone will be left on another. ⁵  All will be torn down!” ⁶ 

[13:17]  ¹ tn Grk “truly (ἀμήν, amhn) I say to you.”

[13:17]  ² sn This is what past prophets and righteous people had wanted very much to see, yet the fulfillment had come to the disciples. This remark is like 1 Pet 1:10-12 or Heb 1:1-2.

[24:2]  ¹ tn Grk “answering, he said to them.” The participle ἀποκριθείς (ajpokriqei") is redundant in English and has not been translated.

[24:2]  ² tn Grk “Truly (ἀμήν, amhn), I say to you.”

[24:2]  ³ sn With the statement not one stone will be left on another Jesus predicted the total destruction of the temple, something that did occur in a.d. 70.

[24:2]  ⁴ tn Grk “not one stone will be left here on another which will not be thrown down.”