Adult age starts at 45 years. Youth should know. And they should develop technical(engineering) knowledge on one of their three(mathematical,biochemical and literary) self-knowledge streams. Nobody can be master in all three(mathematical,biochemical and literary) streams of knowledge. If anybody tries to be so,he/she will become mad person. Because all three(mathematical,biochemical and literary) streams of knowledge are having full-depth so much so that if any scholar tries to be master in all three(mathematical,biochemical and literary) streams of knowledge,that knowledge becomes overlapped and quackery so that overlapped and quackery knowledge will not useful to self and/or other/s in society as memory power and analytical power are having CONTROL LIMITS in any human to prevail as human with other.

16 సంవత్సరముల విద్యార్థి జీవనము గడిపిన తరువాత యువత మళ్లీ 20 సంవత్సరముల పాటు సమాజములో తమ మరియు తమ ఇతరుల మధ్య జరుగుతున్న మాటల (ఆలోచనల ) టెక్నీకల్ (సాంకేతిక ) జ్ఞానమును మాట (ఆలోచన ) ల సంఘర్షణ ద్వారా కలిగించుకోవాలి .