我们都在阴沟里，但仍有人仰望星空。
孔子说：“人无信誉，不知能干什么？就象大车没有车轴，小车没有车轴，怎么能启动？”
Critical comments by students should be taken in a friendly spirit， accumulation of material should not stifle the student’s independence.
Agricultural technology is not lofty theory, but must be truly implemented in the fields.
真相会让你自由，但首先它会让你愤怒。