For the love of money [that is, the greedy desire for it and the willingness to gain it unethically] is a root of all sorts of evil, and some by longing for it have wandered away from the faith and pierced themselves [through and through] with many sorrows.

which some have professed and by doing so have erred (missed the mark) and strayed from the faith.Grace be with you.

keeping your faith [leaning completely on God with absolute trust and confidence in His guidance] and having a good conscience; for some [people] have rejected [their moral compass] and have made a shipwreck of their faith.

But the [Holy] Spirit explicitly and unmistakably declares that in later times some will turn away from the faith, paying attention instead to deceitful and seductive spirits and doctrines of demons,

For physical training is of some value, but godliness (spiritual training) is of value in everything and in every way, since it holds promise for the present life and for the life to come.

Some [widows] have already turned away [from the faith] to follow Satan.

The sins of some people are conspicuous, leading the way for them into judgment [so that they are clearly not qualified for ministry]; but the sins of others appear later [for they are hidden and follow behind them].