Psalms 50:15

And call upon me in the day of trouble -This is a part of real religion as truly as praise is,Psalms 50:14. This is also the duty and the privilege of all the true worshippers of God. To do this shows where the heart is, as really as direct acts of praise and thanksgiving. The purpose of all that is said here is to show that true religion - the proper service of God - does not consist in the mere offering of sacrifice, but that it is of a spiritual nature, and that the offering of sacrifice is of no value unless it is accompanied by corresponding acts of spiritual religion, showing that the heart has a proper appreciation of the mercies of God, and that it truly confides in him.