(一) 去年九月间,就听说山西农学院畜牧系副教授吕效吾和助教李振英、武德虎,拜老羊工宁华堂为师,要到宁华堂的家乡——山西省太行山中的晋城县瓦窑上,学习、总结他四十年的牧羊经验。记得老宁也曾对我说过:大学教授要远道来咱这里学习土经验,咱可要抓紧时机一面教好,一面又要向吕教授学好。老宁这些话里,包含着渴望互相学习而又力争使对方学到自己经验的心情,这种我们时代人的高尚品质,给我留下了深刻的印象。这件事,常使我联想起宁华堂一生所走过的坚韧、刻苦和求实的实践道路。这位一字不识的老羊工,已经在放牧、配种、育羔、鉴定、土法治病、预测气候和维护羊群向自然灾害斗争方面,积累了丰富的经验。他对羊想吃草、想吃盐、想喝水、嫌冷、患病、掉队和喜怒哀乐等许多反映心理状 (I) In September last year, I heard that Lu Xiao-wu, an associate professor of livestock husbandry at Shanxi Agricultural College and assistant professor Li Zhen-ying, Wu Dehu and old goat worker Ning Huatang were teachers and went to the hometown of Ningghua Church - Jincheng County in Taihang Mountain of Shanxi Province On the tile kiln, learn, summarize his 40 years of shepherding experience. I remember Old Ning also said to me: university professors want to learn how to experience soil from afar, we have to seize the opportunity to teach well while learning from Professor Lu. Old Ning these words, contains the desire to learn from each other and strive to make each other learn their own feelings, this noble quality of our time, left a deep impression on me. This incident often reminded me of the tough, hardworking and realistic practical path Ninghua Hall had gone through in her life. The illiterate old sheep laborer has accumulated rich experience in grazing, breeding, lambing, identification, healing of the earth, predicting the climate and safeguarding the herd’s fight against natural disasters. He wants to graze the sheep, eat salt, want to drink water, too cold, sick, falling behind and many emotions and other psychological state