Definition: of the greatest importance; fundamental; an a priori proposition
Inspiration: The cardinal virtues of mind and character in classical philosophy are fortitude, justice, prudence, and temperance.
Quotes:
• The moral arc of the universe is long, but it bends toward justice. — Theodore Parker (1810–1860) American transcendentalist & minister
• Clean living is the cardinal principle in the lives of the world’s greatest athletes, as the phenomenal performances of these outstanding characters will obviously show. — Marshall Walter “Major” Taylor (1878–1932) American professional cyclist