Matthew 28:20
and teach them to practice all the commands that I have given you. And I myself will surely be with you all the days, down to the very close of an age."
Luke 21:15
for I will give you such wisdom of speech as all your opponents combined will not be able to resist and refute.
1 Corinthians 11:23
For the account that I passed on to you I myself received from the Lord Himself, that the Lord Jesus on the night He was betrayed took a loaf of bread
1 Corinthians 15:1
Now let me remind you, brothers, of the essence of the good news which I proclaimed to you, which you accepted, on which you now are standing,