You are what you love.

Agricultural research should address national needs and solve practical problems, it cannot be separated from production practice.

We must balance the need for energy security with the urgency of reducing emissions.

Any change, even a change for the better, is always accompanied by drawbacks and discomforts.

出自北齐·颜之推《颜氏家训·勉学》。不得，不能、不可。雌黄，矿物名，可作颜料，古代用以涂改文字，后引申为信口更改、随便乱说。没有读够一定数量的书，对前人的见解没有彻底了解，是不能随便乱下结论、乱发议论的。书要多读、话要谨慎；应当谦虚向学，不可妄自尊大。