I don't focus on what I'm up against. I focus on my goals and I try to ignore the rest.

Learning consists in the modification of certain mediating processes which operate between the stimulus and the response.

I'm not so interested in how things look as in what they mean.

永不放弃，永不屈服。

译文：读书学习，每天都要补上自己的不足，半途而废和剪断织布的线有啥区别?(乐羊子妻劝丈夫坚持学习)