Humble is what God need us to be , so that we can continue to learn , if we can not be humble , then we will be limited in knowledge , we will not continue to learn because we think we know all there is to know,
Wrong thinking, According to this scripture it clearly says we will never know it all.New World Translation
Ec 3:11He has made everything beautiful in its time. He has even put eternity in their heart; yet mankind will never find out the work that the true God has made from start to finish.
Ps 25:9 He will guide the meek in what is right, And he will teach the meek ones his way.
Ps 37:11But the meek will possess the earth, And they will find exquisite delight in the abundance of peace.
Only the meek will be left on the earth.
As said, because they are humble