The principles of conditioning apply equally to all species.

Nothing is more powerful than will, and nothing is more important than determination.

教学只是教育的脚手架；真正的建筑是由孩子自己完成的。

"Every book is a journey, and every journey changes you."

勿羡慕那些生活在愚昧“天堂”的人们，因为只有愚人才认为那里是幸福的。