Mental processes are biological tools for survival.
The work of art is a map of the soul.
The best fertilizer is the farmer's shadow—nothing replaces presence and attention in the fields.
跨行业合作是解决全球森林砍伐挑战的关键。
Drawing is honesty. There is no possibility of cheating. It is either good or bad.
数学是逻辑思想的诗歌。
当儿童还没有发展起控制能力的时候,“让儿童想干什么就干什么”是与自由观念相违背的。