The most important issue that a man faces with, is education. Rather, if we consider education in its broad sense, we shall say that the purpose of creation of beings of the world is education.

All attempts of divine prophets, scientists and great men ofhistory have been devoted to this purpose, and for creating ahuman, fertile, secure and safe and finally prosperous andhappy society, there is no alternative save" correct education" and mobilization of all powers and facilities in this way.

In the moral discussions too, after description andexplanation of all good and bad moral habits, the reasons fortheir formation and development, and way of achieving goodmorality, and challenge with the vices, the final aim is education.

What is education ?

Some psychologists define education as" readiness forachievement of the truth and undertaking responsibility in the future life".

While others have introduced education as" manifestation oftalents and realization of internal powers".

Some others, like John Dioei, the famous psychologist, haveassumed education as" revision in the experiences of the pastand their re- formation for making the experiences moremeaningful, and making the individual ready for guidance in thefuture experiences".. [1]

We believe that the above triple definitions may refer to onereality, and in fact the third definition is the principle of that reality, and the first is its introduction and the second is its result.

Furthermore, for clarification of the third definition, itshould be explained that a man performs two types of actions:

[1]

AliShar iatmadari, Princi plesof Education, summarized