Grain isn't just a commodity; it's the foundation of civilizations.
A book is a mirror: if an ass peers into it, you can't expect an apostle to look out.
有时候,最艰难的战斗是在我们自己的脑海中进行的。
一只眼睛不如两只眼睛看得明白,一只耳朵不如两只耳朵听得清楚。
The whole art of teaching is only the art of awakening the natural curiosity of young minds for the purpose of satisfying it afterwards.
I'm not perfect, but I'm trying my best.