Related:

• The man who never alters his opinions is like standing water, and breeds reptiles of the mind.
  William Blake...
• He who binds to himself a joy Does the winged life destroy
  But he who kisses the joy as it flies Lives in eternity's sun rise. -- William Blake...
• He's a Blockhead who wants a proof of what he Can't Perceive And he's a Fool who tries to make such a Blockhead believe.
  -- William Blake (1757-1827), Notebooks, 1793...
• If A fool persists in his folly he shall become wise. -- William Blake
• A musician, an artist, an architect: the man or woman who is not one of these is not a Christian.
  -- William Blake...
• To generalize is to be an idiot. -- William Blake
• If a fool would persist in his folly he would become wise. -- William Blake