Philippians 2:3
Let nothing be done through strife or vainglory; but in lowliness of mind let each esteem other better than themselves.

 

John 13:12-15
12  So after he had washed their feet, and had taken his garments, and was set down again, he said unto them, Know ye what I have done to you?
13  Ye call me Master and Lord: and ye say well; for so I am.
14  If I then, your Lord and Master, have washed your feet; ye also ought to wash one another's feet.
15  For I have given you an example, that ye should do as I have done to you.

 

2 Corinthians 3:18
But we all, with open face beholding as in a glass the glory of the Lord, are changed into the same image from glory to glory, even as by the Spirit of the Lord.

 

Hebrews 12:1
Wherefore seeing we also are compassed about with so great a cloud of witnesses, let us lay aside every weight, and the sin which doth so easily beset us, and let us run with patience the race that is set before us,