Authors:

It is not difficult to grasp and express thoughts that float on the stream of current opinion: but to think and rightly utter what is permanently true and interesting, what shall appeal to the best minds a thousand years hence, as it appeals to them to-day, this is the work of genius.

John Lancaster Spalding (1901). “Aphorisms and Reflections: Conduct, Culture and Religion”
It is not difficult to grasp and express thoughts that float on the stream of current opinion: but to think and rightly utter what is permanently true and interesting, what shall appeal to the best minds a thousand