Life well spent is long.

The lie is so vile, that even if it were in speaking well of godly things, it would take off something from God's grace; and Truth is so excellent, that if it praises but small things they become noble.

When the sun is covered by clouds, objects are less conspicuous, because there is little difference between the light and shade of the trees and the buildings being illuminated by the brightness of the atmosphere which surrounds the objects in such a way that the shadows are few, and these few fade away so that their outline is lost in haze.

Knowledge ... shall always bear witness like a clarion to its creator.

A wave is never found alone, but is mingled with as many other waves as there are uneven places in the object where the said wave is produced.

Experiment is the sole interpreter of the artifices of Nature.

Art is the queen of all sciences communicating knowledge to all the generations of the world.