Mark 14:38

Keep watch, all of you, and pray that you may not come into temptation; the spirit is willing, but the flesh is weak.'

Matthew 26:41

"Watch and pray that you may not enter into temptation. The spirit indeed is willing, but the flesh is weak."

Matthew 24:42

Keep guard then, for you do not know the day on which your Master is coming.

Mark 14:34

and he said to them. "My soul is full of anguish, even unto death; wait here, and keep watch."

Luke 21:36

"So be on your guard at all times, praying that you may be worthy to escape these things that shall come to pass, and to take your stand in the presence of the Son of man."

Luke 22:40

But he arrived at the place he said to them, "Pray that you enter not into temptation."

Luke 22:46

and said to them. "Why are you asleep? Get up, and pray that you enter not into temptation."

Romans 7:18-25

For I know that in me, that is in my flesh, no good thing has its home; for while to will is present with me, to carry out that which is right is not.

Revelation 3:2-3

Be continually on the watch, and establish the things that remain, which were ready to die. For I have not found your works perfected before my God.

Matthew 6:13

And lead us not into temptation, but deliver us from the Evil One; For thine is the kingdom and the power and the glory. Amen.

Matthew 25:13

"Be watchful then, for you know neither the day nor the hour.

1 Corinthians 16:13

Be watchful, stand firm in the faith, be manly, be strong.

Galatians 5:17

For the desire of the flesh is against that of the Spirit, and the desire of the Spirit is against that of the flesh, for they two are antagonistic, so that you may not do those things that you wish.

Philippians 2:12

And so, my beloved, as you have always obeyed, not only in my presence, but now much more in my absence, with reverence and self-distrust work out your own salvation;

1 Peter 5:8

Be temperate, be vigilant; because your enemy, the devil, is prowling about like a roaring lion, seeking whom he may devour.

Revelation 3:10

Because you have kept the word of my patience, I also will keep you from that hour of trial which is about to come upon the whole inhabited earth, to test those who dwell on the earth.

Treasury of Scripture Knowledge

Summary

Watch ye and pray, lest ye enter into temptation. The spirit truly is ready, but the flesh is weak.

General references

Bible References

The spirit

Romans 7:18
For I know that in me, that is in my flesh, no good thing has its home; for while to will is present with me, to carry out that which is right is not.
Galatians 5:17
For the desire of the flesh is against that of the Spirit, and the desire of the Spirit is against that of the flesh, for they two are antagonistic, so that you may not do those things that you wish.
Philippians 2:12
And so, my beloved, as you have always obeyed, not only in my presence, but now much more in my absence, with reverence and self-distrust work out your own salvation;

General references

Mark 13:33
nor the Son, but only the Father.