Keep quite. Don't make any ____.

I pity anyone who has to feed a family on such a low ______

If you don't know that _________ is the mother of success, your are sure to be ________ in life.

Those who don’t get their sufficient sleep are actually sending a(n) _____ to severe problems in their life.

 People often find themselves caught in such a _____ as “whether…or not…”.