Not because of works [not the fulfillment of the Law's demands], lest any man should boast. [It is not the result of what anyone can possibly do, so no one can pride himself in it or take glory to himself.]AMP
They are darkened in their understanding and separated from the life of God because of the ignorance that is in them due to the hardening of their hearts.
NIV
Their moral understanding is darkened and their reasoning is beclouded. [They are] alienated (estranged, self-banished) from the life of God [with no share in it; this is] because of the ignorance (the want of knowledge and perception, the willful blindness) that is deep-seated in them, due to their hardness of heart [to the insensitiveness of their moral nature].
AMP
Having the understanding darkened, being alienated from the life of God through the ignorance that is in them, because of the blindness of their heart:
KJV
In order that in the coming ages he might show the incomparable riches of his grace, expressed in his kindness to us in Christ Jesus.
NIV
He did this that He might clearly demonstrate through the ages to come the immeasurable (limitless, surpassing) riches of His free grace (His unmerited favor) in [His] kindness and goodness of heart toward us in Christ Jesus.
AMP
That in the ages to come he might shew the exceeding riches of his grace in his kindness toward us through Christ Jesus.
KJV
And in him you too are being built together to become a dwelling in which God lives by his Spirit.
NIV
In Him [and in fellowship with one another] you yourselves also are being built up [into this structure] with the rest, to form a fixed abode (dwelling place) of God in (by, through) the Spirit.
AMP
In whom ye also are builded together for an habitation of God through the Spirit.
KJV
Far above all rule and authority, power and dominion, and every name that can be invoked, not only in the present age but also in the one to come.
NIV
Far above all rule and authority and power and dominion and every name that is named [above every title that can be conferred], not only in this age and in this world, but also in the age and the world which are to come.
AMP
Far above all principality, and power, and might, and dominion, and every name that is named, not only in this world, but also in that which is to come:
KJV
Who is a deposit guaranteeing our inheritance until the redemption of those who are God's possession – to the praise of his glory.
NIV
That [Spirit] is the guarantee of our inheritance [the firstfruits, the pledge and foretaste, the down payment on our heritage], in anticipation of its full redemption and our acquiring [complete] possession of it--to the praise of His glory.
AMP
Which is the earnest of our inheritance until the redemption of the purchased possession, unto the praise of his glory.
KJV