Wisdom is the right use of knowledge. To know is not to be wise. Many men know a great deal, and are all the greater fools for it. There is no fool so great a fool as a knowing fool. But to know how to use knowledge is to have wisdom. ↗
Living is no laughing matter: you must live with great seriousness like a squirrel for example - I mean without looking for something beyond and above living, I mean living must be your whole occupation. ↗