For self realization, you have to look with'in' and see how the 'in'side shapes your outer world. Think of the importance of "in". It is always introspect, intuition, insight, instinct, inspiration, internal, integrity, innocence, inborn and the list goes on.
In fact, a new born baby is kept in a incubator.
In fact, a new born baby is kept in a incubator.