我不是一个回头看的人。我总是向前看。
The world is full of people whose notion of a satisfactory future is, in fact, a return to the idealised past.
Let’s face it, a nice creamy chocolate cake does a lot for a lot of people; it does for me.  
译文:学习、询问、思考、辨析、实践,都是做学问的方法,没有只学习而不实践的。