Recently my wife and I were cleaning our house before having guests over I noticed some dark stains on our white kitchen tile floor mdash the kind that required getting on my knees to scrub But I soon had a sinking realization the more I scrubbed the more I noticed other stains Each stain I eliminated only made the others that much more obvious Our kitchen floor suddenly seemed impossibly dirty And with each moment I realized ldquo No matter how hard I work I can never get this floor completely clean rdquo Scripture says something similar about self-cleansing mdash [... more]