Related:

• Nature never deceives us; it is always we who deceive ourselves. -- Jean-Jacques Rousseau, Emile
• A proverb never lies, it is only its meaning which deceives. German Proverb
• A clear conscience is most often a sign of a bad memory.
• An excuse is often substituted for reason.
• Talent, lying in the understanding, is often inhere
  genius, being the action of reason and imagination, rarely or never. -- Samuel Taylor Coleridge...
• Free people, remember this maxim: We may acquire liberty, but it is never recovered if it is once lost.
  -- Rousseau...
• Conscience is a mother-in-law whose visit never ends. -- H. L. Mencke
• Never do anything against conscience even if the state demands it. -- Albert Einstei