【原】头头是道 条条是理

 

 

 

铁不炼不成钢；人不勤变无能；

树不修不成材；人不学变无知；

玉不琢不成器；人不诚变无赖。

 

Iron is not refined , cannot be steel;
anyone do not often learning, can become incompetent; 

 

Trees do not be repaired, cannot be timber;
anyone do not often studying ,can become ignorant;

Wild jade do not be carved, cannot be brightern jade;
anyone is not sincere, cannot be hornest man.