It is amazing that we are so given to pride, to boasting and bragging, and that we glory in such things as our beauty, riches, noble birth, power, skill, wisdom, honorable life, good works. . . .
If we want to boast, then let us boast that we receive from the fullness of Christ. . . . Whoever wishes to be safeguarded from the devil’s might and to escape sin and death must draw from this well, Christ; from Him flows all salvation and eternal bliss. This fountain is inexhaustible; it is full of grace and truth before God; it never fails no matter how much we draw from it. Even if we all dip from it without stopping, it cannot be emptied, but it remains a perennial fount of grace and truth, an unfathomable well, an eternal fountain. The more we draw from it, the more it gives. . . .
This fountain constantly overflows with sheer grace. Whoever wishes to enjoy Christ’s grace – and no one is excluded – let him come and receive it from Him. You will never drain this fountain of living water; it will never run dry. You will all draw from it much more than enough, and yet it will remain a perennial well. (Martin Luther,Luther’s Works, 22:133–34)