In chemistry, as in life, the most transformative reactions often occur at the boundaries between disciplines.

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。

"The journey not the arrival matters."

能关爱自己国内的老百姓，才能让国外不友好的势力臣服。