Emily Dickinson is one of the greatest poets in the history of American literature. She writes plenty of poems with unique perspectives, bold and innovative themes and various writing techniques. And her poetry possesses incomparable originality. Her close attention is often devoted to those seemingly trifling and subtle things. This paper is to explore her four poems which manifest she is always morally pure and indifferent to fame and fortune. It can be seen that self-cultivation is far more significant than physical achievement.