Learning is not attained by chance it must be sought for with ardor and diligence.

I now bid farewell to the country of my birth - of my passions - of my death a country whose misfortunes have invoked my sympathies - whose factions I sought to quell - whose intelligence I prompted to a lofty aim - whose freedom has been my fatal dream.

As soon as beauty is sought not from religion and love but for pleasure it degrades the seeker.

He was thinking alone and seriously racking his brain to find a direction for this single force four times multiplied with which he did not doubt as with the lever for which Archimedes sought they should succeed in moving the world when some one tapped gently at his door.