Related:

• The person who thinks too little usually talks too much.
• Those who are afraid of doing too much always do too little.
• He who talks too much commits a sin.
• There is nothing in the world that some man cannot make a little worse and sell a little cheaper, and he who considers price only is that man's lawful prey.
  -- John Ruski...
• Who begins too much accomplishes little. -- German proverb
• He who undertakes too much seldom succeeds. -- Dutch proverb
• He who undertakes too much seldom succeeds. Dutch Proverb
• Who think too little, and who talk too much.
  -- John Dryden (1631-1700) -- Absalom and Achitophel, Part i, Line 534...
• Two dumbs; know too much, know too little!!