1 Corinthians 2:15

But the spiritual man is alive to all true values, but his own true value no unspiritual man can see.

Hebrews 5:14

But full-grown men have a right to solid food, for their faculties are trained by practice to distinguish right and wrong.

Treasury of Scripture Knowledge

Summary

For the ear trieth words, as the mouth tasteth meat.

General references

Bible References

The ear

1 Corinthians 2:15
But the spiritual man is alive to all true values, but his own true value no unspiritual man can see.
Hebrews 5:14
But full-grown men have a right to solid food, for their faculties are trained by practice to distinguish right and wrong.

General references

1 Corinthians 10:15
I appeal to your good sense. Make up your minds about what I say.