The five senses are the ministers of the soul.

I have discovered that a screw-shaped device such as this, if it is well made from starched linen, will rise in the air if turned quickly.

Life well spent is long.

Every part is disposed to unite with the whole, that it may thereby escape from its own incompleteness.

The poet ranks far below the painter in the representation of visible things, and far below the musician in that of invisible things.

Of the original phenomena, light is the most enthralling.

The eye encompasses the beauty of the whole world.