Maintain an open mind at all times, and don’t be hesitant to question anything…
In life, there is no dispute about whether or not it is useful to question things. In the long term, if you take the current state of the world and everything in it at face value, it will come back to haunt you later in life. It is essential to challenge both what is in front of you and the people in positions of authority if you want to be able to stand up for yourself.

Having said that, you shouldn’t take everything quite so seriously, should you? In particular, avoid having any kind of conversation with your instructors on anything. Even if your instructor encourages you to challenge everything in life, including the legitimacy of the claims made by other people, you are still obligated to behave in a specific way. The fact that she did not show up for the following day’s class is perhaps for the best…