Luke 6:39-40

Then Jesus told them a parable [i.e., a brief story to illustrate His teaching]: "Can a blind person lead a blind person? Will not both of them fall into a ditch?

John 5:24

"Truly, truly, I tell you, the person who listens to my message and believes [in] the One who sent me [i.e., God] has never ending life [i.e., as a hope. See Titus 1:2; 3:7]. He will not be judged [and condemned], but has [already] passed from being [spiritually] dead to being [spiritually] alive.

Matthew 15:14

[So], let these Pharisees alone; they are blind leaders. And if a blind person leads a blind person, both of them will fall into a ditch."

Matthew 23:16-26

"It is too bad for you blind leaders who say that whoever takes an oath 'by the Temple,' it does not [really] mean anything, but whoever takes an oath 'by the gold of the Temple,' he is obligated to [fulfill] the oath.

John 6:63

It is the Holy Spirit who [Note: The Greek word here is "that" instead of "who"] gives life [i.e., understanding the spiritual nature of Jesus' teaching can produce spiritual life]; the flesh is of no value [i.e., understanding Jesus' teaching only in a physical sense makes it worthless]. The words I have spoken to you are [from the] Holy Spirit and [they give] life.

John 6:68

Simon Peter answered Him, "Lord, who [else] could we go to? You have the message about never ending life.

Treasury of Scripture Knowledge

Summary

Understanding is a wellspring of life unto him that hath it: but the instruction of fools is folly.

A well-spring

Bible References

A well-spring

John 5:24
"Truly, truly, I tell you, the person who listens to my message and believes [in] the One who sent me [i.e., God] has never ending life [i.e., as a hope. See Titus 1:2; 3:7]. He will not be judged [and condemned], but has [already] passed from being [spiritually] dead to being [spiritually] alive.
John 6:63
It is the Holy Spirit who [Note: The Greek word here is "that" instead of "who"] gives life [i.e., understanding the spiritual nature of Jesus' teaching can produce spiritual life]; the flesh is of no value [i.e., understanding Jesus' teaching only in a physical sense makes it worthless]. The words I have spoken to you are [from the] Holy Spirit and [they give] life.

The instruction

Matthew 15:14
[So], let these Pharisees alone; they are blind leaders. And if a blind person leads a blind person, both of them will fall into a ditch."
Matthew 23:16
"It is too bad for you blind leaders who say that whoever takes an oath 'by the Temple,' it does not [really] mean anything, but whoever takes an oath 'by the gold of the Temple,' he is obligated to [fulfill] the oath.
Luke 6:39
Then Jesus told them a parable [i.e., a brief story to illustrate His teaching]: "Can a blind person lead a blind person? Will not both of them fall into a ditch?