Do not take an oath by your head, because you are not able to make one hair white or black.

Then as they went into the tomb, they saw a young man dressed in a white robe sitting on the right side; and they were alarmed.

The one who has an ear had better hear what the Spirit says to the churches. To the one who conquers, I will give him some of the hidden manna, and I will give him a white stone, and on that stone will be written a new name that no one can understand except the one who receives it.’