Luck, mere luck may make even madness wisdom.
The sharp employ the sharp.
A blessed companion is a book! A book that, fitly chosen, is a life-long friend. A book — the unfailing Damon to his loving Pythias. A book that — at a touch — pours its heart into our own.
The blackest of fluid is used as an agent to enlighten the world.
Keep your eyes and ears open, if you desire to get on in the world.
Even the worse of jobs has their pleasures, if I were a grave digger or a hangmen, there are some people I could work for with a great deal of enjoyment.