AMATEURS
Have tons of ideas, are excited about all of them and see none to fruition.
PROFESSIONALS
Have tons of ideas, pick one and do their best to make it happen.
AMATEURS
Think they can do everything.
PROFESSIONALS
Know it’s almost impossible to achieve one thing.
AMATEURS
Think they know everything.
PROFESSIONALS
Are always learning.
Read more via Lefsetz Letter » Blog Archive Amateurs/Professionals » Lefsetz Letter.