Correct Answer - Option 1 : Both statement I and statement II are true
Statement I: When I look deep into myself, I always stumble with one perception or another, I can never catch myself → True
The self cannot be an impression as there is no constant impression or experience that could lead to our idea of 'self'. The self cannot be an idea, because ideas are formed from impressions, which are unstable and changing. Therefore, there is no possible true understanding of the self.
Statement II: Self is the logical presupposition of all knowledge. Therefore, the concepts like substance and person can not be applied to it → True
Thus the self that one cognises cannot be a bodily thing of which one is further, Locke makes self-consciousness partly definitive of the very concept of a person, will presuppose a prior grasp of self-conscious reference to oneself as the self would not be in a position to explain all self-knowledge.
Hence, the correct answer is "Both statement I and statement II are true".
'It is impossible to answer without a manifest contradiction and absurdity : It must be some one impression, that gives rise to every real idea into what I call myself, I always stumble on some particular perception or other, of heat or I never can catch myself at any time without a perception, and never can.