Mrs. Sibley

The secret of the stars⁠—gravitation.
The secret of the earth⁠—layers of rock.
The secret of the soil⁠—to receive seed.
The secret of the seed⁠—the germ.
The secret of man⁠—the sower.
The secret of woman⁠—the soil.
My secret: Under a mound that you shall never find.