I incline to Cain's heresy," he used to say quaintly: "I let my brother go to the devil in his own way.

Jekyll had more than a father's interest; Hyde had more than a son's indifference.

Alan," cried I, "what makes ye so good to me? What makes ye care for such a thankless fellow?" Deed, and I don't, know" said Alan. "For just precisely what I thought I liked about ye, was that ye never quarrelled:—and now I like ye better!

The habit of being happy enables one to be freed, or largely freed, from the domination of outward conditions.

To be wholly devoted to some intellectual exercise is to have succeeded in life.

Dogs live with man as courtiers 'round a monarch, steeped in the flattery of his notice ... to push their favor in this world of pickings and caresses is, perhaps, the business of their lives.

Don't ever confuse motion with progress.