? -Larochefoucauld (French writer)
Repairing and chiseling can make the road straight, but only rough and uncut roads are the roads of genius.
-Blake (English poet)
"prodigy" and "genius" can't become talents or even degenerate into mediocrity without proper environment and constant efforts.
-Werner (American mathematician)
Genius is bound to have obstacles, because obstacles will create genius.
-Roman Roland (French thinker and writer)
If the road is not dangerous, there is no way to know the horse's virtue; If you are not heavy, you will have no talent to know.
-Xu Gan (China scholar, writer and philosopher at the end of the Eastern Han Dynasty)
The vastness of spirit, the activity of imagination and the diligence of mind are genius.
? -Diderot (French literary theorist)