自学者之歌余扬人生最珍贵的需要是知识。人生需要用知识来充实。如果光阴曾在一时的磋跎中白白流逝，失去了求知的机会；如果智慧的翅膀一时还很稚嫩，面对理想的目标力不从心，那就让我们踏上自学之路吧！自学，使你重扬追求知识的风帆，朝着理想的彼岸乘风破浪，永往直... Song of self-study Yu Yang’s most precious need is knowledge. Life needs to be enriched with knowledge. If the time has vanished in a moment’s discussion, lost the opportunity to seek knowledge; if the wisdom of the moment is still immature wings, in the face of the ideal goal force, then let us set foot on the road to self-study! Self-study, so that you reinvigorate the pursuit of knowledge of the sail, toward the ideal of the other side of the wind and waves, forever and again ...