Thread by @EthicsInBricks

Six mistakes mankind keeps making century after century, according to Cicero (thread):

1/6 Believing that personal gain is made by crushing others;

Six mistakes mankind keeps making century after century, according to Cicero (thread):

2/6 Worrying about things that cannot be changed or corrected;

Six mistakes mankind keeps making century after century, according to Cicero (thread):

3/6 Insisting that a thing is impossible because we cannot accomplish it;

Six mistakes mankind keeps making century after century, according to Cicero (thread):

4/6 Refusing to set aside trivial preferences;

Six mistakes mankind keeps making century after century, according to Cicero (thread):

5/6 Neglecting development and refinement of the mind;

Six mistakes mankind keeps making century after century, according to Cicero (thread):

6/6 Attempting to compel others to believe and live as we do.