MERCY – Not getting what you deserve. We have all sinned, we all DESERVE death and hell.
GRACE – Getting what you do not deserve. When we repent and put our trust in God and His word, then we are blessed by God and receive what we do not deserve.
LOVE – putting others ahead of yourself, self-less-ness, no greater love than to lay down your life for another
HATE – the opposite of LOVE is self-ish-ness, hate can be a component of love: love God, hate sin.