It was the spring of knowable, it was the winter of knower, we had unknown before us, we had known before us.
It was the spring of orb (protect), it was the winter of embryo, we had hatching before us, we had laying before us.

When relating to mind, understanding known makes me think of knowable, which allows unknown to make sense of knower.
When relating to egg_birth, understanding laying makes me think of orb (protect), which allows hatching to make sense of embryo.

It was the spring of q1o, it was the winter of q1s, we had q1e before us, we had q1r before us.
It was the spring of q1o, it was the winter of q1s, we had q1e before us, we had q1r before us.

When relating to q1n, understanding q1r makes me think of q1o, which allows q1e to make sense of q1s.
When relating to q1n, understanding q1r makes me think of q1o, which allows q1e to make sense of q1s.