1. The "tiny mad idea" is the belief that we are separate from our Source, which leads to suffering and a distorted perception of reality.
2. The idea is "mad" because it goes against the truth. It suggests that we are separate, individual beings, instead of oneness with all of Creation.
3. The idea is "tiny" because its insignificant compared to the truth . The belief in separation is an inconsequential thought in the grand scheme of reality.