Knowledge conquered by labor becomes a possession -- a property entire >>
He who never made a mistake, never made a discovery. >>
It will generally be found that men who are constantly lamenting their >>
Difficult times always create opportunities for you to experience more >>
Hardship makes the world obscure. >>
When difficulties are overcome they begin blessing. >>
The very greatest things -- great thoughts, discoveries, inventions -- have usually been nurtured in hardship, often pondered over in sorrow, and at length established with difficulty.