We live in this world like a child who enters a room where a clever person is speaking. The child did not hear the beginning of the speech, and he leaves before the end; and there are certain things which he hears but does not understand
People travel to wonder at the height of mountains, at the huge waves of the sea, at the long courses of rivers, at the vast compass of the ocean, at the circular motion of the stars; and they pass by themselves without wondering.
The heights by great men reached and kept were not attained by sudden flight, but they, while their companions slept, were toiling upward in the night.