Words To No Profit..... Bible? And a good fight...Holy.

John 17:17 Sanctify them through thy truth: thy word is truth.
2 Timothy 2:14 Of these things put them in remembrance, charging them before the Lord that they strive not about words to no profit, but to the subverting of the hearers.

Holy.....Bible?
1 Peter 1:16 Because it is written, Be ye holy; for I am holy.