Daniel 1:8 (NLT2)
But Daniel was determined not to defile himself by eating the food and wine given to them by the king. He asked the chief of staff for permission not to eat these unacceptable foods.
1 Corinthians 2:2 (NKJV)
2 For I determined not to know anything among you except Jesus Christ and Him crucified.
Mark 7:6-13 (NKJV)
6 He answered and said to them, “Well did Isaiah prophesy of you hypocrites, as it is written: ‘This people honors Me with their lips, But their heart is far from Me.
7 And in vain they worship Me, Teaching as doctrines the commandments of men.’
8 “For laying aside the commandment of God, you hold the tradition of men–the washing of pitchers and cups, and many other such things you do.”
9 He said to them, “All too well you reject the commandment of God, that you may keep your tradition.
10 For Moses said, ‘Honor your father and your mother’; and, ‘He who curses father or mother, let him be put to death.’
11 But you say, ‘If a man says to his father or mother, “Whatever profit you might have received from me is Corban”–‘ (that is, a gift to God),
12 then you no longer let him do anything for his father or his mother,
13 making the word of God of no effect through your tradition which you have handed down. And many such things you do.”