2 Corinthians 12:7

My wealth of visions might have puffed me up, so I was given a thorn in the flesh, an angel of Satan to rack me and keep me from being puffed up;

1 Peter 5:5

You younger men must also submit to the presbyters. Indeed you must all put on the apron of humility to serve one another, for the haughty God opposes, but to the humble he gives grace.

Treasury of Scripture Knowledge

Summary

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 children, in the midst of Israel.

Bible References

His heart

2 Corinthians 12:7
My wealth of visions might have puffed me up, so I was given a thorn in the flesh, an angel of Satan to rack me and keep me from being puffed up;
1 Peter 5:5
You younger men must also submit to the presbyters. Indeed you must all put on the apron of humility to serve one another, for the haughty God opposes, but to the humble he gives grace.