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

“Without doubt, it is the greatest act of courage that is often the most fearful.”

“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.”

“Fear and self-doubt are the deadly enemies of creativity. Don’t invite either into your mind.”

“for the disproportionate fear that the statistically and historically minimal group of women who were both angry and had hairy legs have inculcated both in their detractors and in their wannabe-successors, we should salute them as often as possible”

“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.”