Set the mind to work, and apply the thoughts vigorously to the business, for it holds in the struggles of the mind, as in those of war, that to think we shall conquer is to conquer.

It is one thing to show a man that he is in an error, and another to put him in possession of the truth.

Our Business here is not to know all things, but those which concern our conduct.

Any one reflecting upon the thought he has of the delight, which any present or absent thing is apt to produce in him, has the idea we call love.

Some eyes want spectacles to see things clearly and distinctly: but let not those that use them therefore say nobody can see clearly without them.

Curiosity in children, is but an appetite for knowledge. The great reason why children abandon themselves wholly to silly pursuits and trifle away their time insipidly is, because they find their curiosity balked, and their inquiries neglected.

Don't tell me what I can't do!