For you should now be teaching others, if we look at the time, yet you need to be taught again which are the first elements of the oracles of God and are become such as have need of milk, and not of strong food.

as newborn babes, desire the rational milk of the word, that ye may grow thereby in health;

Lest

then thine heart be lifted up, and thou forget the LORD thy God, who brought thee forth out of the land of Egypt, from the house of slavery,

that his heart be not lifted up above his brethren and that he turn not aside from the commandment, to the right hand or to the left, to the end that he may prolong his days in his kingdom, he and his sons, in the midst of Israel.

Thou hast indeed smitten Edom, and thy heart has lifted thee up; glory in this, but tarry at home. Why should thou meddle in evil that thou should fall, even thou, and Judah with thee?

But when he was strengthened, his heart lifted itself up unto corruption, for he rebelled against the LORD his God, entering into the temple of the LORD to burn incense upon the altar of incense.

But Hezekiah did not render again according to the benefit done unto him, for his heart lifted itself up; therefore there was wrath against him and against Judah and Jerusalem.

Pride goes before destruction, and a haughty spirit before a fall.

Before being broken, the heart of man is haughty, and before coming into honour, comes being brought to humility.

A man's pride shall bring him low, but honour shall uphold the humble in spirit.

For the day of the LORD of the hosts shall be upon every one that is proud and lofty and upon every one that is lifted up; and he shall be brought low:

And these things, brethren, I have in a figure transferred to myself and to Apollos for your sakes, that in us ye might not learn above that which is written, lest because of one, some of you become puffed up against others.

Now as concerning things offered unto idols, we know that we all have knowledge. Knowledge puffs up, but charity edifies.

And lest the greatness of the revelations should exalt me above measure, there is given to me a thorn in the flesh, a messenger of Satan to buffet me, lest I should be exalted above measure.

Likewise, young people, be subject to the elders in such a manner that you are all subject to one another. Be clothed with humility of will, for God resists the proud and gives grace to the humble.

The condemnation

How art thou fallen from heaven, O Lucifer, son of the morning! How art thou cut down to the ground, who didst claim the Gentiles as an inheritance!

And he said unto them, I beheld Satan as lightning fall from heaven.

For if God did not forgive the angels that sinned, but cast them down into the deepest abyss and delivered them into chains of darkness, to be reserved unto judgment;

And the angels who did not keep their first estate but left their own habitation, he has reserved in eternal chains under darkness unto the judgment of the great day.

General references

from thirty years old and upward even unto fifty years old, all that enter into the host, to minister in the tabernacle of the testimony.

Pride goes before destruction, and a haughty spirit before a fall.