Rhinoceros horns unlike those of other horned mammals (which have a bony core) only consist of keratin. Keratin is also the key structural material making up the outer layer of human skin. It is the key structural component of hair and nails.
Don’t let anyone ever break your soul. You have to stand on your own two feet and stand up for yourself. There are those that would give anything to see you fail, but you must never give them the satisfaction. Hold your head up high, smile and stand your own ground.