There shall be wings! If the accomplishment be not for me, 'tis for some other. The spirit cannot die; and man, who shall know all and shall have wings.

Let proportion be found not only in numbers and measures, but also in sounds, weights, times, and positions, and what ever force there is.

The vine that has grown old on an old tree falls with the ruin of that tree, and through that bad companionship must perish with it.

Marriage is like putting your hand into a bag of snakes in the hope of pulling out an eel.

Of the four elements water is the second in weight and the second in respect of mobility. It is never at rest until it unites with the sea.

Man's external form, marvellously constructed, is not much as compared with the divine soul that dwells inside that structure.

He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.