Related:

• A person who doubts himself is like a man who would enlist in the ranks of his enemies and bear arms against himself.
  He makes his failure certain by himself being the first person to be convinced of it....
• He who drives fat oxen should himself be fat. -- Samuel Johnso
• Man makes history, he makes himself. -- Vere Gordon Childe.
• None of our men are "experts." We have most unfortunately found it necessary to get rid of a man as soon as he thinks himself an expert -- because no one ever considers himself expert if he really knows his job.
  A man who knows a job sees so much more to be done than he has done, that he is always pressing forward and never gives up an instant of thought to how good and how efficient he is....
• None of our men are "experts." We have most unfortunately found it necessary to get rid of a man as soon as he thinks himself an expert -- because no one ever considers himself expert if he really knows his job.
  A man who knows a job sees so much more to be done than he has done, that he is always pressing forward and never gives up an instant of thought to how good and how efficient he is....
• Nothing flatters a man as much as the happiness of his wife
  he is always proud of himself as the source of it. -- Samuel Johnson (1709-1784)...
• He who steals for others ends up being hanged for himself.
• He is not only dull himself, he is the cause of dullness in others. -- Samuel Johnso
• He is not only dull himself, he is the cause of dullness in others." Samuel Johnso