Philemon 1:11

who was formerly not useful to you but is now most useful to you and me,

Treasury of Scripture Knowledge

Summary

Which in time past was to thee unprofitable, but now profitable to thee and to me:

General references

Bible References

Unprofitable

Matthew 25:30
and cast the unprofitable servant into the darkness outside; there shall be weeping and gnashing of the teeth.
Luke 17:10
So also you, when you have done all things commanded you, say, We are unprofitable servants; what we owed the doing of; we have done.
Romans 3:12
all have turned aside, they have together become unprofitable; there is no one that does good, there is not even one;
1 Peter 2:10
who formerly were not a people, but now are a people of God, who had not obtained mercy, but now have obtained mercy.

Profitable

Luke 15:24
for this my son was dead, and is alive again; he was lost, and is found. And they began to rejoice.
2 Timothy 4:11
Luke only is with me. Take Mark and bring him with you; for [he will be] useful to me for service.

General references

Luke 17:10
So also you, when you have done all things commanded you, say, We are unprofitable servants; what we owed the doing of; we have done.