Ah, the joy of suckling! She lovingly watched the fishlike motions of the toothless mouth and she imagined that with her milk there flowed into her little son her deepest thoughts, concepts, and dreams. – Milan Kundera
No one who has seen a baby sinking back satiated from the breast and falling asleep with flushed cheeks and a blissful smile can escape the reflection that this picture persists as a prototype of the expression of sexual satisfaction in later life. – Sigmund Freud