Authors:

It requires strength of character in order to think and to act in opposite fashion from the crowd and also patience to wait for opportunities that may be spaced years apart.

Benjamin Graham, David Dodd (2009). “Security Analysis, Sixth Edition, Part V - Analysis of The Income Account. The Earnings Factor in Common-Stock Valuation”, p.405, McGraw Hill Professional
It requires strength of character in order to think and to act in opposite fashion from the crowd and also patience to wait for opportunities that may be spaced years apart.