Those who fall in love with practice without science are like a sailor who enters a ship without a helm or a compass, and who never can be certain whither he is going.

Men of lofty genius when they are doing the least work are most active.

The function of muscle is to pull and not to push, except in the case of the genitals and the tongue.

life without love, is no life at all

Of several bodies, all equally large and equally distant, that which is most brightly illuminated will appear to the eye nearest and largest.

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

To speak well of a base man is much the same as speaking ill of a good man.