Caution is crediting, and reserve in speaking, and in revealing one's self to but very few, are the best securities both of a good understanding with the world, and of the inward peace of our own minds.
Thomas a KempisEvery man naturally desires knowledge; but what good is knowledge without fear of God? Indeed a humble rustic who serves God is better than a proud intellectual who neglects his soul to study the course of the stars.
Thomas a Kempis