1 Corinthians 2:15

But the spiritual person [i.e., one who has the Holy Spirit] is able to discern all things [i.e., has the ability to make right judgments about things], and he himself [i.e., his conduct] cannot be [critically] discerned by any [unbelieving] man.

Hebrews 5:14

But "solid food" is for mature people, who because of using their [spiritual] senses, have become able to distinguish good from evil.

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 person [i.e., one who has the Holy Spirit] is able to discern all things [i.e., has the ability to make right judgments about things], and he himself [i.e., his conduct] cannot be [critically] discerned by any [unbelieving] man.
Hebrews 5:14
But "solid food" is for mature people, who because of using their [spiritual] senses, have become able to distinguish good from evil.

General references

1 Corinthians 10:15
I am speaking to you as [I would] to sensible people, [so] judge for yourselves what I am saying.