who are you appreciative to? what are you appreciative for? I am very appreciative to the both of you for giving me an opportunity to work with you. Sow your seed in the morning and do not be idle in the evening , for you do not know whether morning or evening sowing will succeed , or whether both of them alike will be good . I read these biographies to understand them and myself better. My Chinese teachers were just one generation removed and yet it's not easy to understand them, so how much more so my foreign teachers! You know how inquisitive children are about asking a great many questions ? what are you inquisitive About? I am inquisitive about science When education works? Education works when the student becomes intrinsically motivated to acquire the information or the goals to be transmitted; at that point, the major part of the teacher's task is accomplished.