never wasted an opportunity. because the opportunity only comes once in life. I think the opportunity should be best utilized. other than that a man should never do anything that is not useful, use the time as well as possible.
From article above I know that the proses of study is very important. The proses of our study will give us experience to solve our problem in our life. Even though the method just like not important but I believe one day everything that we now learn will bring benefit to us.
From link above I know that Nominalism is a refusal. Refusal of universe and refusal of abstract thing. And the contrary is realism that say that there are abstract thing in this word.
From wikipedia I know that Fictionalism is a view in philosophy according to which the statement appears to the description of the world should not be interpreted as such, but rather should be understood as a case of "make believe", pretending to treat something that is literally true