Bible Verses About unthankful people

If thine enemy be hungry, give him bread to eat; and if he be thirsty, give him water to drink:

For if ye love them which love you, what thank have ye? for sinners also love those that love them.

But love ye your enemies, and do good, and lend, hoping for nothing again; and your reward shall be great, and ye shall be the children of the Highest: for he is kind unto the unthankful and to the evil.

Because that, when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened.

For if, when we were enemies, we were reconciled to God by the death of his Son, much more, being reconciled, we shall be saved by his life.

In every thing give thanks: for this is the will of God in Christ Jesus concerning you.

This know also, that in the last days perilous times shall come.