Don't judge people from the outside. Like any rose has thorns, the more the person appears nice on the outside, the more you should doubt the inside.
They say time and people's hearts are inversely proportional. The more it passes, the more they grow apart. It seems there are some rare exceptions though.
Humans live behind masks.
Humans can't reverse the flow of time. If you try to twist it against its will, you'll be punished.
Memories of someone who's passed away remains beautiful forever and a person's heart will linger over them, they say.
People have emotions. A troublesome attribute that's not only invisible, but also changes easily. If it's friendship or love, then that's fine. But if by some trigger it changes to malice and vengeance, then that could bring forth thoughts of murder.
That's right. Worried about being discovered, living in fear. It's a painful thing.