When you see the natural and almost universal craving in English sick for their 'tea,' you cannot but feel that nature knows what she is about. ... A little tea or coffee restores them. ... There is nothing yet discovered which is a substitute to the English patient for his cup of tea.
Florence NightingaleThere is a physical, not moral, impossibility of supplying the wants of the intellect in the state of civilisation at which we have arrived.
Florence Nightingale