If you are not using your smile then,,,,,
You are a person with Million Dollars in the Bank having no Cheque Book.
The purpose of education is to enable mankind to know himself and to pave the right way for his life. Consequently, he should devote his life to the obedience of Allah and in performing his duties to mankind. Hence, the intention of one's life should be the struggle for getting Allah's will through His obedience and adoration.