"I am no poet, but if you think for yourselves, as I proceed, the facts will form a poem in your minds."

"The lecturer should endeavor to rouse the minds of his auditors, and to fix their attention."

"All this is but a dream, but I hope to make it a reality."

"A man who is afraid of making mistakes will never make a discovery."

"The secret of my success is due to my happy facility of being able to draw correct conclusions from imperfect data."