For Satan always finds some mischief still for idle hands to do.

The child taught to believe any occurrence a good or evil omen, or any day of the week lucky, hath a wide inroad made upon the soundness of his understanding.

A dogmatical spirit inclines a man to be censorious of his neighbors. Every one of his opinions appears to him written, as it were, with sunbeams, and he grows angry that his neighbors do not see it in the same light. He is tempted to disdain his correspondents as men of low and dark understandings because they do not believe what he does.

Acquaint yourself with your own ignorance.

In matters of equity between man and man, our Saviour has taught us to put my neighbor in place of myself, and myself in place of my neighbor.

Do not expect to arrive at certainty in every subject which you pursue. There are a hundred things wherein we mortals. . . must be content with probability, where our best light and reasoning will reach no farther.

No science is speedily learned by the noblest genius without tuition.