A man does not wonder at what he sees frequently, even though he be ignorant of the reason. If anything happens which he has not seen before, he calls it a prodigy.
Don't squander the gold of your days, listening to the tedious, trying to improve the hopeless failure, or giving away your life to the ignorant, the common, and the vulgar
The sages are often ignorant of physical science, because they read the wrong book-the book within; and the scientists are too often ignorant of religion, because they too read the wrong book-the book outside.
Virtue is always too much of a piece and too ignorant of those shades of feeling and of temperament that enable us to squint when we are placed in a false position.