Matthew chapter 6, verse 1
Take heed that you do not your alms before men, to be seen of them: otherwise, you have no reward of your Father which is in heaven.
Matthew chapter 7, verse 15
Beware of false prophets, which come to you in sheep’s clothing, but inwardly they are ravening wolves.
Matthew chapter 16, verses 6, 11 and 12
Then Jesus said unto them, Take heed and beware of the leaven of the Pharisees and the Sadducee’s. How is it that you do not understand that I spake it not to you concerning bread, that you should beware of the leaven of the Pharisees and the Sadducees? Then understood they how that Jesus bade them not beware of the leaven of bread, but the doctrine of the Pharisees and the Sadducees.
Matthew chapter 24, verse 4
And Jesus answered and said unto them, Take heed that no man deceive you.
Matthew chapter 24, verse 42
Watch therefore: for you know not what hour your Lord does come.
Matthew chapter 26, verse 41
Watch and pray, that ye enter not into temptation: the spirit indeed is willing, but the flesh is weak.
Mark chapter 4, verse 24
And Jesus said unto them, Take heed what you hear: with what measure you mete, it shall be measured to you: and unto you that hear shall more be given.
Mark chapter 12, verse 38
And Jesus said unto them in His doctrine, Beware of the scribes, which love to go in long clothing, and love salutations in the marketplaces,
Mark chapter 13, verse 5
And Jesus answering them began to say, Take heed lest any man deceives you:
Mark chapter 13, verses 34 through 37
For the Son of man is as a man taking a far journey, who left his house, and gave authority to his servants, and every man his work, and commanded the porter to watch. Watch you therefore: for you know not when the master of the house comes at even, or at midnight, or the cockcrowing, or in the morning: Lest coming suddenly he find you sleeping. And what I say unto you I say unto all, Watch.
Luke chapter 8, verse 18
Take heed therefore how you hear: for whosoever has to him shall be given; and whosoever has not, from him shall be taken even that which he seems to have.
Luke chapter 11, verse 35
Take heed therefore that the light which is in you be not darkness.
Luke chapter 12, verse 1
In the meantime, when there were gathered together an innumerable multitude of people, insomuch that they trod one upon another, Jesus began to say unto His disciples, first of all, Beware you of the leaven of the Pharisees, which is hypocrisy.
Luke chapter 12, verse 15
And Jesus said unto them, Take heed, and beware of covetousness: for a man’s life consists not in the abundance of the things which he possesses.
Luke chapter 12, verse 37
Blessed are those servants, whom the lord when he comes shall find watching: verily I say unto you, that he shall gird himself, and make them sit down to meat, and will come forth and serve them.
Luke chapter 17, verse 3
Take heed to yourselves: If your brother trespass against you, rebuke him; and if he repents, forgive him
Luke chapter 21, verse 8
And Jesus said, Take heed that you be not deceived: for many shall come in My name, saying, I am Christ; and the time draws near: go you not therefore after them. Luke chapter 21, verse 36
Luke chapter 21, verse 34
And take heed to yourselves, lest at any time your hearts be overcharged with surfeiting, and drunkenness, and cares of this life, and so that day come upon you unawares.
Luke chapter 21, verse 36
Watch you, therefore, and pray always, that you may be accounted worthy to escape all these things that shall come to pass, and to stand before the Son of man.