Man has not a greater enemy than himself.

How difficult it is to save the bark of reputation from the rocks of ignorance.

I would have preferred to have been born in any other time than our own.

Hitherto your eyes have been darkened and you have looked too much, yes, far too much, upon the things of earth. If these so much delight you what shall be your rapture when you lift your gaze to things eternal!

Alack our life, so beautiful to see, With how much ease life losest, in a day, What many years with pain and toil amassed!

From thought to thought, from mountain peak to mountain. Love leads me on; for I can never still My trouble on the world's well beaten ways.

Great errors seldom originate but with men of great minds.