In today's fast changing world it is vitally important to be familiar with basic concepts about human beings' behaviour and character. The highly selected aspects are self-discipline and self-development. In my blog I am going to write about these two notions as well as to give my personal point of view. Initially, both of terms have very ancient roots in civilizations' foundation. Self-discipline was a must-have attitude towards to oneself and individuals who had obtained this kind of behavior was exceptional ones so far, moreover, it is still has not changed. Self-development is also has some similarities to this concept, however, it is about setting goals in one's life and moving further after achieving them. To sum up, in upcoming blogs I will try to give more detailed answers and we will look through them step by step.