Envy and greed starve on a steady diet of thanksgiving.
Be sure that your motive in praying is to glorify God.
Don't let failure or disappointment cut you off from God or make you think that the future is hopeless. When God closes one door, He often opens another door - if we seek it.
The Bible is clear that the Holy Spirit is God Himself.
The Bible says we must choose two ways of life.
The reason we have this inner conviction that death is not the end - and that Heaven exists - is because we were created in the image of God.