The mind must be developed by you alone. There is no way for others to do the work and for you to reap the results. Reading someone else's blueprint of mental progress will not transfer its realizations to you. You have to develop them yourself.
God has given me a mule-like stubbornness to stick with a difficult problem and the intuitive powers to conceptualize complex hypothetical situations in my mind.
Far be it from me, my dear sister, to depreciate such pleasures. They would doubtless be congenial with the generality of female minds. But I confess they would have no charms for me. I should infinitely prefer a book.
As human beings we have the same experience of destructive and constructive emotions. We also have a human mind capable of developing wisdom. We all have the same Buddha nature.
Whether we love humanity or not, we must realize that we are part of it. My future depends entirely on the future of humanity, and so I am compelled to take care of humanity. That is why being compassionate is actually in my own best interest. And a symptom of my own peace of mind is that I can share comfort with others around me.