Just as iron rusts from disuse, and stagnant water putrefies, or when cold turns to ice, so our intellect wastes unless it is kept in use.

To make a perfume, take some rose water and wash your hands in it, then take a lavender flower and rub it with your palms, and you will achieve the desired effect

Iron rusts from disuse; water loses its purity from stagnation... even so does inaction sap the vigor of the mind.

To be a winner you must want to win but must know of the chance of losing and must not fear of it.

Anyone who conducts an argument by appealing to authority is not using his intelligence; he is just using his memory.

Just as iron rusts from disuse... even so does inaction spoil the intellect.

Medicine is the restoration of discordant elements; sickness is the discord of the elements infused into the living body.