A middle-aged cat will often play as unreservedly as a kitten, though he knows perfectly well it is only a game.

The teacher should make a concerted effort never to lose his temper in the presence of the class. If a man, he may take refuge in profane soliloquies. If a woman, she may follow the example of one sweet-faced tranquil girl who went out in the yard and gnawed a post.

If I were running the world I would have it rain only between 2 and 5 a.m. Anyone who was out then ought to get wet.

How essential it is in youth to acquire some intellectual or artistic tastes, in order to furnish the mind, to be able to live inside a mind with attractive and interesting pictures on the walls.

Life, with all it's sorrows, cares, perplexities and heart-breaks, is more interesting than bovine placidity, hence more desirable. The more interesting it is, the happier it is.

A well-ordered life is like climbing a tower; the view halfway up is better than the view from the base, and it steadily becomes finer as the horizon expands.

The happiest people in this world are those who have the most interesting thoughts.