I think goals should never be easy, they should force you to work, even if they are uncomfortable at the time.
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。
真相很少纯粹,也绝不简单。
If we don’t do something now, the world our children inherit will be much poorer than the one we were given.
可持续性不是选择,而是能源行业的必然要求。#