Matthew 26:42

Again, a second time, he went away and prayed, "O my Father, if this cup cannot pass away unless I drink it, your will be done."

Matthew 26:39

And going a little farther he fell on his face and prayed, "O my Father, if it is possible, let this cup pass from me; nevertheless, not as I will, but as you will."

Mark 14:39-40

And again he went away and prayed, saying the same words.

Hebrews 4:15

For we do not have a high priest who is unable to sympathize with our weaknesses, but one who in every respect has been tempted as we are, yet without sin.

Hebrews 5:7-8

In the days of his flesh, Jesus offered up prayers and supplications, with loud cries and tears, to the one who was able to save him from death, and he was heard because of his godly fear.

Treasury of Scripture Knowledge

Summary

He went away again the second time, and prayed, saying, O my Father, if this cup may not pass away from me, except I drink it, thy will be done.

General references

Bible References

The second

Matthew 26:39
And going a little farther he fell on his face and prayed, "O my Father, if it is possible, let this cup pass from me; nevertheless, not as I will, but as you will."
Mark 14:39
And again he went away and prayed, saying the same words.
Hebrews 4:15
For we do not have a high priest who is unable to sympathize with our weaknesses, but one who in every respect has been tempted as we are, yet without sin.
Hebrews 5:7
In the days of his flesh, Jesus offered up prayers and supplications, with loud cries and tears, to the one who was able to save him from death, and he was heard because of his godly fear.

General references

Matthew 26:70
But he denied it before them all, saying, "I do not know what you are talking about."