The best doctor prevents illness, an average doctor visits when the illness is imminent, and the unskilled doctor treats your present illness. (Chinese Proverb) - More Chinese Proverbs...
Inferior men do not begin undertakings for fear of difficulties. Average men begin, but desist once difficulties appear. Men of superior nature never give up until they achieve their ends, however many the difficulties that appear. (Traditional Proverb) - More Traditional Proverbs...