After the 4-day weekend, the whole school was covered with these... "graffiti"? It was strange though, because all the phrases were like proverbs and spiritual sayings. The very next day, I brought a camera to take pictures of these (couldn't capture all of them, because some were already erased by the time I got there).
They are clever words (I guess... if you were a hippie) and they're not at all disturbing or foul... but...
1) If you hate school so much... why would you go on a weekend to spray paint stuff on the walls?
2) You paid for the spray paint... and now you'll pay for the damage... and later on you'd have to pay because the school's budget would go to negative.

Money is Illusion
The Truth Shall Set You Free.

Wake Up And Live.

Education or Indoctrination
P.S. The reason some were cut off is because I wasn't far enough to take the whole phrase and others were in very cramped spaces so it was hard to take pictures.