John 13:14-15

"Now that I, your Lord and teacher, have washed your feet, you also should wash one another's feet. I have set you an example that you should do as I have done for you." 

you also should wash one another's feet 
1 Peter 5:5  In the same way, you who are younger, submit yourselves to your elders. All of you, clothe yourselves with humility toward one another, because, "God opposes the proud but shows favor to the humble." (Proverbs 3:34) 
1 Peter 3:8  Finally, all of you, be like-minded, be sympathetic, love one another, be compassionate and humble.

I have set you an example that you should do as I have done for you 
Matthew 11:28-30  "Come to me, all you who are weary and burdened, and I will give you rest. Take my yoke upon you and learn from me, for I am gentle and humble in heart, and you will find rest for your souls. For my yoke is easy and my burden is light."
1 Timothy 4:12  Don't let anyone look down on you because you are young, but set an example for the believers in speech, in conduct, in love, in faith and in purity.
Philippians 2:5-7  In your relationships with one another, have the same mindset as Christ Jesus: Who, being in very nature God, did not consider equality with God something to be used to his own advantage; rather, he made himself nothing by taking the very nature of a servant, being made in human likeness.
1 Peter 2:21  To this you were called, because Christ suffered for you, leaving you an example, that you should follow in his steps.
1 John 2:6  Whoever claims to live in him must live as Jesus did.

(parentheses are mine)

Scriptures taken from the Holy Bible, New International Version® NIV®, 
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