And he has said to me, My grace is sufficient for you, for power is perfected in weakness. Most gladly, therefore, I will rather boast about my weaknesses, that the power of Christ may dwell in me. 2 Corinthians 12:9 – Bible
Edible substances evoke the secretion of thick, concentrated saliva. Why? The answer, obviously, is that this enables the mass of food to pass smoothly through the tube leading from the mouth into the stomach. – Ivan Pavlov