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Remain true to your faith in God and keep all the commitments you have made to Jesus Christ your Lord.
Let us draw near with a true heart in full assurance of faith, having our hearts sprinkled from an evil conscience, and our bodies washed with pure water. Hebrews 10:22
All the paths of the LORD are mercy and truth unto such as keep his covenant and his testimonies. Psalms 25:10

Brethren, we are God's possessions and all that we are and own belongs to God.
All things were made by him; and without him was not any thing made that was made. John 1:3

Our first duty then is to serve the Lord our God with a whole heart, with all our mind and with all our might.
¶And now, Israel, what doth the LORD thy God require of thee, but to fear the LORD thy God, to walk in all his ways, and to love him, and to serve the LORD thy God with all thy heart and with all thy soul, Deuteronomy 10:12

Whatsoever you have committed to do for Jesus Christ do with all your strength utilizing all the resources you have at your disposal.
And thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy mind, and with all thy strength: this is the first commandment. Mark 12:30

Do the will of God in all things and keep nothing back, but place your all and all on the altar of God.
For whosoever shall do the will of God, the same is my brother, and my sister, and mother. Mark 3:35
Wherefore let them that suffer according to the will of God commit the keeping of their souls to him in well doing, as unto a faithful Creator. 1 Peter 4:19

You cannot serve two Masters, but you must decide this day whom you shall serve, God or Mammon?
No servant can serve two masters: for either he will hate the one, and love the other; or else he will hold to the one, and despise the other. Ye cannot serve God and mammon. Luke 16:13

He that wavereth is like a wave in the sea tossed to and fro.
Let not him who wavers think he will receive anything from God.
But let him ask in faith, nothing wavering. For he that wavereth is like a wave of the sea driven with the wind and tossed. James 1:6
For let not that man think that he shall receive any thing of the Lord. James 1:7

Be ye zealous.
As many as I love, I rebuke and chasten: be zealous therefore, and repent. Revelation 3:19