“Excessive fear and self-doubt that were the greatest detractors of personal genius.”

“America's greatest crime against the black man was not slavery or lynching, but that he was taught to wear a mask of self-hate and self-doubt.”

“It is to be feared that few who are not experts in the history of mathematics have any acquaintance with the details of the original discoveries in mathematics of the greatest mathematician of antiquity, perhaps the greatest mathematical genius that the world has ever seen.”

“They carried the soldier's greatest fear, which was the fear of blushing. Men killed, and died, because they were embarrassed not to.”

“The most temperate of persons is the one who controls hismself, and in doubtful events is self-contained.”

“Every form of happiness is private. Our greatest moments are personal, self-motivated, not to be touched".”

“Among those corporeal glances, in the midst of those libidinous flirtations and those wild impulses, there were no doubts or excess verses, not even a bad song…”

“Failure is a feeling long before it becomes an actual result. It is vulnerability that breeds with self-doubt and then is escalated, often deliberately, by fear”

“The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is, to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when to be obeyed.”

“Nothing in excess, including self-denial.”