We are merely instruments of the Almighty's will and therefore ignorant of what helps us forward and what acts as an impediment. We must thus rest satisfied with the knowledge only of the means and if these are pure, we can fearlessly leave the end to take care of itself.
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.
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.