Critical comments by students should be taken in a friendly spirit， accumulation of material should not stifle the student’s independence.
对来自学生的批评应该本着友好的精神来接受，学习材料的积累不应该扼杀学生的独立性。
Dairy farming is both an art and a science—passion and precision must coexist.《The Future of Dairy》
过去从未死去，它甚至还没有过去。