zulqader. i was very good in my studies. i was in the second year of high school. at that time, she told me that you should not go. i was completely matured . last year of university i was an incoming teacher in 1972 and it was the last stage. he told me not to go there. you can be successful in the experimental field or you can be successful in the math field. why didn't you go to the experimental field and stay in mathematics? you became a teacher. i loved the job of a teacher. it is definitely difficult for you because you know that in engineering you are in contact with a series of tools that you shape, but in teaching you use human power. you are dealing with emotional relationships and the work is very difficult and exhausting. you must know what the individual differences of students are with each of the students. at that time, the place you are communicating with should behave because our students are very fragile. it is possible for them to be successful, so these are the infrastructures that we have to do and the work is hard work. if you don't have that