The Lord IS my shepherd. Not was, not may be, nor will be. ....

The Lord IS my shepherd. Not was, not may be, nor will be. . . is my shepherd on Sunday, is on Monday, and is through every day of the week; is in January, is in December, and every month of the year, is at home, and is in China; is in peace, and is in war; in abundance, and in penury.