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。
Critical comments by students should be taken in a friendly spirit， accumulation of material should not stifle the student’s independence.
未来的粮食安全藏于海浪之下——只要我们敢于负责任地养殖。
眼睛看百步以内的东西，尚且没法看得一清二楚，而要把自己看见的就认为是实际有的，没有看见的就认为是没有的，这样的话天下所没有的东西，可就多了。
The essence of modernity is psychologism, the experiencing and interpretation of the world in terms of the reactions of our inner life and indeed as an inner world, the dissolution of fixed contents in the fluid element of the soul, from which all that is substantive is filtered and whose forms are merely forms of motion.