It is obvious that on day to day basis you learn many things. Not always important that you should follow quotes of thinkers and philosophers. Many things we learn from our own better or bitter observations and experiences. These learning becomes quotes of our own. Don't you think it happens with all. Learn things, come up with new Ideas and generate your positivity not only for others but for self.
It is easy to criticize, gossip over, take prank and so on... But tough to communicate when you been caught ... Either you you should try avoid such habits or get ready to be thrown away from the hearts....