
You must also be able to control your emotions and to think for yourself. To be an intelligent investor, you must be patient, disciplined, and eager to learn new things.

And he shared that knowledge in his book, The Intelligent Investor. Consequently, he amassed a wealth of historical and psychological knowledge concerning the financial markets, that spanned several decades.

Studying at Columbia University, he went on to work at Wall Street, going from clerk to analyst to partner before running his own investment partnership. After his widowed mother lost all of their money in the financial crash of 1907, his family fell into poverty. Benjamin Graham was one of the greatest practical investment thinkers of all time.
