To give up the self means to give up what is ordinarily known as self--that is, personal thoughts and feelings--to the deeper self within. But the latter is pure awareness and void of all emotional or intellectual contents: nothing. Hence when the personal egoity gives up to, and enters, it, such thoughts and feelings become as nothing too. The mind is stilled and they are annihilated.
-- Notebooks Category 23: Advanced Contemplation > Chapter 7: Contemplative Stillness > # 178