Obstinacy is will asserting itself without being able to justify itself. It is persistence without a reasonable motive. It is the tenacity of self-love substituted for that of reason and conscience. – Henri Frederic Amiel
The study of proverbs may be more instructive and comprehensive than the most elaborate scheme of philosophy. – Attributed to Motherwell in Pearls of Thought by Maturin M. Ballou, 1882