'Itself' in the Bible

For we do not want you to be uninformed, brothers and sisters, about our trouble in [the west coast province of] Asia [Minor], how we were utterly weighed down, beyond our strength, so that we despaired even of life [itself].

but for an answering recompense, (I speak as to children,) let your heart also expand itself.

For if the eagerness is present, the gift itself is acceptable according to whatever one has, not according to what he does not have.

Now He who provides seed for the sower and bread for food will provide and multiply your seed for sowing [that is, your resources] and increase the harvest of your righteousness [which shows itself in active goodness, kindness, and love].

Casting down imaginations, and every high thing that exalteth itself against the knowledge of God, and bringing into captivity every thought to the obedience of Christ;