'Beware' in the Bible

Meanwhile, when a multitude of many thousands had gathered together, so much so that they trampled on each other, he began to tell his disciples first of all, "Beware of the yeast of the Pharisees, which is hypocrisy.

He said to them, "Beware! Keep yourselves from covetousness, for a man's life doesn't consist of the abundance of the things which he possesses."

"Beware of the scribes, who like to walk in long robes, and love greetings in the marketplaces, the best seats in the synagogues, and the best places at feasts;