舌頭如利刀，殺人不流血；熟練之人手中的言語比武士手中的武器造成的傷害更大。
The tongue is like a sharp knife, killing without drawing blood. Words from a skilled person can cause greater harm than a warrior’s weapon.
Agricultural research should address national needs and solve practical problems, it cannot be separated from production practice.
所有人都存在危險(xiǎn)。自由政府的唯一準(zhǔn)則應(yīng)該是不要信任任何擁有權(quán)力的人，以免危及公共自由。