Mark 14:38

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

Matthew 26:41

Watch and pray, that ye fall not into temptation. The spirit is willing, but the flesh is weak."

Matthew 24:42

Wake, therefore, because ye know not what hour your master will come.

Mark 14:34

And said unto them, "My soul is very heavy even unto the death, tarry here and watch."

Luke 21:36

Watch therefore continually and pray, that ye may obtain grace to fly all this that shall come. And that ye may stand before the son of man."

Luke 22:40

And when he came to the place, he said to them, "Pray, lest ye fall into temptation."

Luke 22:46

and said unto them, "Why sleep ye? Rise, and pray lest ye fall into temptation."

Romans 7:18-25

For I know that in me, that is to say, in my flesh, dwelleth no good thing. To will is present with me: but I find no means to perform that which is good.

Revelation 3:2-3

Be awake, and strengthen the things which remain, that are ready to die. For I have not found thy works perfect before God.

Matthew 6:13

Lead us not into temptation: but deliver us from evil, For thine is the kingdom and the power, and the glory for ever. Amen.

Matthew 25:13

Look that ye watch therefore, for ye know neither the day nor yet the hour, when the son of man shall come.

1 Corinthians 16:13

Watch ye, stand fast in the faith, quit you like men, and be strong.

Galatians 5:17

For the flesh lusteth contrary to the spirit, and the spirit contrary to the flesh. These are contrary one to the other, so that ye cannot do that which ye would.

Philippians 2:12

Wherefore, my dearly beloved, as ye have always obeyed - not when I was present only, but now much more in mine absence - even so work out your own salvation with fear and trembling.

1 Peter 5:8

Be sober, and watch. For your adversary the devil, as a roaring lion, walketh about, seeking whom he may devour:

Revelation 3:10

Because thou hast kept the words of my patience, therefore I will keep thee from the hour of temptation, which will come upon all the world, to tempt them that dwell upon 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 to say, in my flesh, dwelleth no good thing. To will is present with me: but I find no means to perform that which is good.
Galatians 5:17
For the flesh lusteth contrary to the spirit, and the spirit contrary to the flesh. These are contrary one to the other, so that ye cannot do that which ye would.
Philippians 2:12
Wherefore, my dearly beloved, as ye have always obeyed - not when I was present only, but now much more in mine absence - even so work out your own salvation with fear and trembling.

General references

Mark 13:33
Take heed: watch, and pray, for ye know not when the time is: