'Profitable' in the Bible

Remind them of these things, charging them before God not to fight about words; this is in no way profitable and leads to the ruin of the hearers.

if, then, any one may cleanse himself from these, he shall be a vessel to honour, sanctified and profitable to the master -- to every good work having been prepared,

All scripture is given by inspiration of God, and is profitable for doctrine, for reproof, for correction, for instruction in righteousness:

Only Luke is with me. Take Mark, and bring him with thee: for he is profitable to me for the ministry.