He is like a man building a house, who dug deep to lay the foundation on rock. And when a flood came the river pounded against that house, but could not shake it because it had been well built.

For in [our relationship with] Christ neither the practice of circumcision nor refraining from its practice matters in any way; but [all that really matters is having a genuine] faith [in Christ] that causes us to work [for Him] out of a genuine love [for Him and others].

so that Christ will live in your hearts through faith. [I pray] that you will be rooted and grounded in [your] love,

However, the solid foundation of God stands firm. [Note: This probably refers to the church. See I Tim. 3:15]. It is sealed with these words [i.e., certifying God's ownership and a commitment to Him]: "The Lord knows those who are His people," [See Num. 16:5], and "Everyone who confesses the name of the Lord should stop practicing wickedness." [See Isa. 36:13].

The time

Therefore, I tell you, make friends for yourselves by using worldly wealth, so that when it fails [i.e., when you run out of money] they [i.e., the friends you made with its wise and benevolent use] may welcome you into the eternal [i.e., heavenly] dwelling places. [Note: The idea here seems to be that by your shrewd use of material possessions for the benefit of others, you are actually storing up treasures for yourself in heaven].

Lay

Fight the good battle of the faith; take hold of never ending life, to which you were called [i.e., by the Gospel. See II Thess. 2:14], [when] you made the good confession in the presence of many witnesses. [Note: This "confession" probably refers to a person's acknowledgment of Jesus as Lord and Christ prior to his immersion. See Acts 2:36; Rom. 10:9-10].

I am pushing onward toward the goal for the prize of the upward call [i.e., to heaven] from God in [fellowship with] Christ.

Through Him we have an inheritance that cannot be corrupted or contaminated, and will never disappear; it is reserved in heaven for you.

General references

Give to the person who asks you [for something], and do not refuse to lend to the person who wants to borrow something from you.

And this is the promise which Christ [or, "God"] has given to us: [It is] never ending life. [Note: This passage may mean that God promised us "the Eternal Life," that is, Christ, See John 3:16].