Luke 7:44
"You have rightly judged." answered Jesus, and turning to the woman, he said to Simon. "Do you see this woman? When I came into your house you gave me no water for my feet; but she has wet my feet with her tears and wiped them with her hair.
John 13:4-5
and was now going to God, rose from supper, laid aside his upper garments, and took a towel and girded himself.
John 13:14-15
If then I have washed your feet, I the 'Master' and the 'Teacher', you also ought to wash one another's feet,
1 Timothy 5:10
She must be well reputed for good works, as one who has brought up a family, received strangers with hospitality, washed the feet of the saints, relieved the distressed, and diligently followed every good work.