([b]sorry, my English is not good, in aspect writing... =) )
Don't worry... all of us are here to improve English .... so let's help each other for a common goal :)
I wish to align what you've said above with your topic;
1. Education helps people understand good morals and differentiate between right and wrong or good and bad. Therefore, it enables a country to have its nation more disciplined and productive.
2. Educated people can contribute largely to their country's economy by making contributions with their skills and competencies.