“O God, my heart is fixed; I will sing and praise.” David begins this psalm by reminding us of the importance of a steadfast or fixed heart in the Christian life.

What is a fixed heart? First, it trusts in the Lord for salvation. Jesus died for us on the cross. If we have trusted Him, we have fixed our hearts upon Him, and we have experienced His mercy (v.4).

A fixed heart is also devoted. Jesus said that we can’t serve two masters. We have to love one and hate the other or be loyal to the one and despise the other. We can’t serve God and money—or, for that matter, God and anything else (Matt.6:24). So a fixed heart is devoted and loving—a heart that is devoted solely to the Lord.

A fixed heart is serving. If your heart is fixed, you will be busy serving others. A person fixed upon the Lord in faith and love reaches out to serve others and to put others ahead of himself.

Finally, a fixed heart is hopeful. We anticipate the return of our Lord. When you love and trust someone, you look forward to being with that person. We wait and hope for the day when we will be in the Lord’s presence.

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The condition of the persons heart reveal much about the condition of his soul. A fixed heart is in tune with the Lord—trusting, devoted, serving and hopeful. What is your heart condition?