Can you make yourself think what Berkeley wanted you to think? That is, can you convince yourself that everything you see around you is actually nothing more than a perception or idea inside your...

Can you make yourself think what Berkeley wanted you to think? That is, can you convince yourself that everything you see around you is actually nothing more than a perception or idea inside your mind? what does it feel like, or what do you think it would feel like, to really believe that everything you see around you is really inside your head?