“A book is a mirror: if an ass peers into it you can't expect an apostle to look out.”

“Barbaric accuracy - whimpering humility.”

“Never undertake anything for which you wouldn't have the courage to ask the blessings of heaven.”

“Most men of education are more superstitious than they admit - nay than they think.”

“Everyone is a genius at least once a year a real genius has his original ideas closer together.”

“If moderation is a fault then indifference is a crime.”

“Men of lofty genius when they are doing the least work are most active.”

“Neither a lofty degree of intelligence nor imagination nor both together go to the making of genius. Love, love, love, that is the soul of genius.”

“There's a fine line between genius and insanity. I have erased this line.”