Sentence: Through out the last 25 years, my extra ordinarily challenging...

[Bullet_Bang]

I need a finishing Paragraph for a statement. I need the following sentence in healthier form. I'm not that good in English. Could anybody please help me?

"Through out the last 25 years, my extra ordinarily challenging environment molded me into a personality who is hard working, motivated, always optimistic and persistent towards achieving goals. I firmly believe that the perfect ambient I see at University A will definitely help me to achieve more valuable things in the future and prune my self more perfectly. Thank you for your Time. "

You can change or modify or Suggest new points. Thank You in Advance.

[Mister Micawber]

Over the last 25 years, my extraordinarily challenging environment has molded me into a person who is hard working, motivated, always optimistic and persistent in achieving goals. University A will help me achieve more in the future and perfect my abilities.

Thank you very much for your time and consideration.
_________________
Native English teacher at Mister Micawber's

[Bullet_Bang]

Thank you very much Sir. I really appreciate your timely help. Thank you again.

[Gkukreti]

[Mister Micawber]

'To' is an option there, and it is not usually used by native speakers.
_________________
Native English teacher at Mister Micawber's

[Gkukreti]

Is there a specific rule to this, or I have to be careful while constucting sentences.

[Mister Micawber]

Yes, it is very specific: help (to) + infinitive. 'To' is optional here.
_________________
Native English teacher at Mister Micawber's