Regret is the poison we drink hoping someone else will die.

Education must, be not only a transmission of culture but also a provider of alternative views of the world and a strengthener of the will to explore.

【译文】 孔子说：“对品德不进行培养，对学问不进行钻研，听到好人好事不能跟着做，有了错误不能及时改正，这就是我所担忧的。”

Nature is written in mathematical language.

A sustainable coal industry is possible if we commit to the right technologies.