One of the most impressive and inspirational books I have read is "I AM THAT" by Sri Nisargadatta, an Indian spiritual teacher and philosopher who lived from 1897 to 1981. It was his mission to guide the individual to an understanding of his true nature and the timelessness of being. He taught that the mind must recognize and penetrate its own state of being--not "being this or that, here or there, then or now," but just timeless being.
When grasping these words you start to understand the importance of them.
By not identifying with what you think you are, you allow that what you are to come to surface.
It has inspired me to reshape my thoughts and words about myself, I went from saying “I am a yoga teacher” to: “I practice yoga“ or “I am vegan” to: “I live a vegan lifestyle”. It made me realize what I am not and allows that what I am to express itself more and more.
I chant these words regularly, I meditate on them and combine them with the sound of AUM , the omnipresent sound just like I AM. I can absolutely recommend this as it triggers a deep peaceful feeling and possibly a whole lot more good stuff.