Leukocytes in urine are not a dangerous condition, but they are a sign that you are suffering from an infection or damage. Leukocytes are white blood cells (WBC) that work with the immune system to defend against infectious disease. Damage to the kidneys, ureters, urethra or bladder can cause leukocytes to appear.
Empty vessels is a metaphor for a very shallow person whose thoughts and actions have no significant meaning. Such people are constantly talking or otherwise making noise in an attempt to get attention from other people. The more the person is ignored because he has no real input to give, the louder he will become.
Sticks and stones may break my bones but words will never hurt me.. (English proverb) Inside a well-nourished body, the soul remains longer (Breton proverb) Dwell not upon thy weariness, thy strength shall be according to the measure of thy desire. (Arabic proverb) Cover your candle, it will light more..