Because
Matthew 23:12
And whosoever shall exalt himself shall be abased; and he that shall humble himself shall be exalted.
and his
Ezekiel 31:14
To the end that none of all the trees by the waters exalt themselves for their height, neither shoot up their top among the thick boughs, neither their trees stand up in their height, all that drink water: for they are all delivered unto death, to the nether parts of the earth, in the midst of the children of men, with them that go down to the pit.
Ezekiel 28:17
Thine heart was lifted up because of thy beauty, thou hast corrupted thy wisdom by reason of thy brightness: I will cast thee to the ground, I will lay thee before kings, that they may behold thee.
2 Chronicles 25:19
Thou sayest, Lo, thou hast smitten the Edomites; and thine heart lifteth thee up to boast: abide now at home; why shouldest thou meddle to thine hurt, that thou shouldest fall, even thou, and Judah with thee?
2 Chronicles 32:25
But Hezekiah rendered not again according to the benefit done unto him; for his heart was lifted up: therefore there was wrath upon him, and upon Judah and Jerusalem.
Job 11:11
For he knoweth vain men: he seeth wickedness also; will he not then consider it?
Job 11:12
For vain man would be wise, though man be born like a wild ass's colt.
Proverbs 16:18
Pride goeth before destruction, and an haughty spirit before a fall.
Proverbs 18:12
Before destruction the heart of man is haughty, and before honour is humility.
Isaiah 14:13-15
13
For thou hast said in thine heart, I will ascend into heaven, I will exalt my throne above the stars of God: I will sit also upon the mount of the congregation, in the sides of the north:
14
I will ascend above the heights of the clouds; I will be like the most High.
15
Yet thou shalt be brought down to hell, to the sides of the pit.
Daniel 4:30
The king spake, and said, Is not this great Babylon, that I have built for the house of the kingdom by the might of my power, and for the honour of my majesty?
Daniel 5:20
But when his heart was lifted up, and his mind hardened in pride, he was deposed from his kingly throne, and they took his glory from him:
Obadiah 1:3
The pride of thine heart hath deceived thee, thou that dwellest in the clefts of the rock, whose habitation is high; that saith in his heart, Who shall bring me down to the ground?
James 4:6
But he giveth more grace. Wherefore he saith, God resisteth the proud, but giveth grace unto the humble.