Related:

• The person who thinks too little usually talks too much.
• I don't care how much a man talks, if he only says it in.
• He who undertakes too much seldom succeeds. -- Dutch proverb
• He who undertakes too much seldom succeeds. Dutch Proverb
• He who considers too much will perform little. SCHILLER
• He who thinks by the inch and talks by the yard deserves to be kicked by the foot.
• We work out entirely too much. We waste time. A friend of mine runs marathons.
  He always talks about this "runner's high." But he has to go twenty-six miles for it....
• Remember way back when anyone who went to Hawaii spent much of the remainder of their life giving travel talks?
• A bore is a man who talks so much about himself that you can't talk about yourself.