Letters / 'He possesses the intellectual capacity and perseverance' - Letter of Recommendation [3]

i think its really good, it explains that your willing to work as hard as you possibly can and most institutions look for that as a sign of devotion to their institution.

Writing Feedback / Brake before university education, are advantages more than disadvantades? [2]

dont start with "nowadays" start with something like, "in present day"
"competeition" in the first line should be changed to "competitive"
in the first line insert "a" or make students plural
second line after high school change "life" to "career"
change "relax themselves" to "expanding knowledge that cant be learned in a classroom"
take out the words "firstly" and "secondly"
* you have a lot of grammatical errors but other than that i think that your topic is great! keep rough drafting*