I think it is very noble to dedicate oneself to public service. We always complain about the government.

我深感为社会服务是一件神圣的工作，因为难免被民众的抱怨和批评。

To attain perfect enlightenment or dedicate yourself to get liberation for oneself or others.

应该努力达到完美的开悟，或奉献自己为了获得自己或他人的解放。