Experiment is the sole interpreter of the artifices of Nature.
Obstacles cannot bend me. Every obstacle yields to effort.
He who possesses most must be most afraid of loss.
Lying on a feather mattress or quilt will not bring you renown.
Wherever good fortune enters, envy lays siege to the place and attacks it; and when it departs, sorrow and repentance remain behind.
Inequality is the cause of all local movements.