John 7:18

He who talks on his own authority aims at his own credit, but he who aims at the credit of the person who sent him, he is sincere, and there is no dishonesty in him.

2 Corinthians 6:4

I prove myself at all points a true minister of God, by great endurance, by suffering, by troubles, by calamities,

Treasury of Scripture Knowledge

Summary

We are all one man's sons; we are true men, thy servants are no spies.

Bible References

True men

John 7:18
He who talks on his own authority aims at his own credit, but he who aims at the credit of the person who sent him, he is sincere, and there is no dishonesty in him.
2 Corinthians 6:4
I prove myself at all points a true minister of God, by great endurance, by suffering, by troubles, by calamities,