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.
William Lyon PhelpsThe 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.
William Lyon Phelps