Clear Head Quotes
Herbert Spencer (1873). “Philosophy of Style: An Essay”, p.9
Henry Ward Beecher (1866). “Royal truths”, p.104
The clean tongue, the clear head, and the bright eye are birthrights of each day.
William Osler (2013). “A Way of Life”, p.10, Ravenio Books
Rick Riordan (2006). “The lightning thief”